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Patent Summary

U.S. Patent Classes & Classifications Covered in this listing:

Class 385: Optical Waveguides

(1) An optical waveguiding element, which conveys light from one point to another through an optically transparent elongated structure by modal transmission, total internal reflection, or total reflectorization. (2) A combination of an optical waveguiding element with an additional broadly recited optical element which couples light or a combination. (3) A combination of an optical waveguiding element with structure which mechanically joins this waveguiding element with another or with a diverse optical element. (4) An optical modulator where the modulation of a light wave characteristic is performed exclusively within an optical waveguiding element. (5) Other miscellaneous devices formed of an optical waveguide (e.g., a waveguide sensing device) and supplemental devices which are limited to use with an optical waveguide (e.g., an external clamp or retainer).

Subclass 126: Utilizing multiple core or cladding
Subclass 130: Thin film optical waveguide
Subclass 131: Multilayer structure (mixture)
Subclass 140: Attenuator
Subclass 16: Switch (i.e., switching from one terminal to another, not modulation)
Subclass 27: Particular coupling function
Subclass 31: Input/output coupler
Subclass 34: Rod type
Subclass 65: Groove-type holding structure
Subclass 73: With additional optical element between facing fiber ends
Subclass 74: Lens
Subclass 89: Plural fiber/device connections

Class 349: Liquid Crystal Cells, Elements And Systems

Cells, elements, and systems which include molecules of a material having both liquid and crystalline properties. Included in this class are those which have a significant liquid crystal cell detail or liquid crystal response or properties, and in which the liquid crystal controls or changes the optical properties of electromagnetic radiation such as direction, phase, amplitude, frequency, or polarization state. This class also provides for nominal manufacturing methods for producing significant liquid crystal cell structure.

Subclass 196: Beam dividing switch formed from liquid crystal cell
Subclass 96: Polarizer

Class 359: Optical: Systems And Elements

Optical elements included in this class are: Lenses; Polarizers; Diffraction gratings; Prisms; Reflectors; Filters; Projection screens; Optical Modulators; Optical Demodulators. Among the optical systems included in this class are: Compound lens systems; Light reflecting signalling systems (e.g., retroreflectors); stereoscopic systems; Binocular devices; Systems of lenticular elements; Systems involving light interference; Glare reducing systems; Light dividing and combining systems; Light control systems (e.g., light valves); building illumination with natural light; Systems for protecting or shielding elements; Optical systems whose operation depends upon polarizing, diffracting, dispersing, reflecting, or refracting light; kaleidoscopes. Further included are certain apertures, closures, and viewing devices of a specialized nature which involve no intentional reflection, refraction, or filtering of light rays. This class also includes optical elements combined with another type of structure(s) to constitute an optical element combined with a nonoptical structure or a perfection or improvement in the optical element.

Subclass 288: Thermo-optic
Subclass 320: Switching
Subclass 342: Particular active medium (e.g., crystal, plasma, fluid, etc.)
Subclass 484: Time invariant electric, magnetic, or electromagnetic field responsive (e.g., electro-optical, magneto-optical)
Subclass 489: Polarization (direction or magnitude) varies over surface of the medium (e.g., vectograph)
Subclass 494: By birefringent element
Subclass 497: Using plural elements
Subclass 501: By relatively adjustable superimposed or in series polarizers

Class 372: Coherent Light Generators

An assembly of electrical, mechanical, and optical components produces an intense, coherent, directional beam of light by stimulating electronic, ionic, or molecular transitions to lower energy levels.

Class 436: Chemistry: Analytical And Immunological Testing

This is the generic class for: chemical test standards, analytical compositions, and processes which involve a chemical reaction for determining qualitatively or quantitatively the presence of a chemical element, compound or complex in a composition or a chemical compound, or an element or radical in a compound; processes for analysis which involve an in vitro antigen-antibody, immunological or protein binding interaction other than those involving a living antigen, or enzyme label; and processes of analysis or study of the chemical properties of a sample; the physiological effect of a sample; or chemical determination of a physical property of a sample. Compositions and their mere methods of use of thermoparticulating compositions. Combinations of tests or measurements with methods of regulating a chemical reaction not otherwise provided for in a chemical synthesis class or otherwise.

Subclass 74: Present in biological fluids (e.g., blood, urine, etc.)
Subclass 79: Li, Na, K, Rb, Cs, Fr, Be, Mg, Ca, Sr, Ba, Ra

Class 549: Organic Compounds -- Part Of The Class 532 Series

The classes of the 532 series embrace monomeric organic carbon compounds and polymeric organic carbon compounds that are not solid synthetic resins, natural rubbers, or hydrocarbons.

Subclass 348: Polycyclo ring system having the hetero ring as one of the cyclos
Subclass 352: Three or more ring oxygens in the hetero ring
Subclass 353: Exactly four oxygens in the hetero ring

Class 428: Stock Material Or Miscellaneous Articles

This is the residual class for: 1. Stock material in the form of a structurally defined web, sheet, rod, strand, fiber, filament, cell, flake, particle not provided elsewhere. 2. Stock material in the form of a web, sheet, mass or layer which consists of or contains a structurally defined constituent or element. 3. A nonstructural laminate defined merely in terms of the composition of one or more layers. 4. An article of manufacture or an intermediate-article not provided for elsewhere. 5. A process for applying an impregnating material to a naturally solid product such as a wood beam, a sheet of leather or a stone, or for applying a coating to a base, and which process includes no significant method step.

Subclass 35.7: Polymer or resin containing (i.e., natural or synthetic)
Subclass 35.9: Three or more layers (continuous layer)
Subclass 213: Thickness (relative or absolute)
Subclass 220: Physical dimension specified
Subclass 336: 1 mil or less
Subclass 339: Including synthetic resin or polymer layer or component
Subclass 446: Of silicon containing (not as silicon alloy)
Subclass 448: As intermediate layer
Subclass 480: Of polyester (e.g., alkyd, etc.)
Subclass 483: Next to addition polymer from unsaturated monomers
Subclass 701: O-containing metal compound

Class 528: Synthetic Resins Or Natural Rubbers -- Part Of The Class 520 Series

Part of the Class 520 Series - some general types of subject matter include: Solid synthetic resins, per se, regardless of utility; processes of preparing a synthetic resin involving a chemical reaction; reactable compositions which form a product; processes of purifying a solid synthetic resin or composition containing a synthetic resin by a chemical or physical process; process of reclaiming or recovering a solid synthetic resin; processes of treating a synthetic resin or specified intermediate condensation product with a reactant, or product thereof; blends of solid synthetic resins, processes of preparing or treating such blends; chemically reacted solid synthetic resins or processes of preparing; potentially reactable compositions which contain a solid synthetic resin or SICP and products of such a reaction, or processes of preparing; room vulcanizable potentially reactive compositions which merely require moisture and which are usually activated by heat and/or pressure to form a product; compositions of a nonreactant material and a solid synthetic resin or SICP; compositions containing a structurally defined material which is dispersed in a matrix which is not identified by overall dimension or some structure or processes of preparing; single-layered products containing a solid synthetic resin or composition thereof reciting no structure or dimension, or a fiber, filament, etc., which is no more than the material from which it is made, nonstructured single-layered web or sheet is encompassed; particles or a powder, per se, of a solid synthetic resin or composition thereof for which particles or powder no dimensions are recited; reactable compositions which form a product proper for this class and contain a photoinitiator or photosensitizer which are activated by wave energy or processes of preparing.

Subclass 196: With reactant having halo-C(=O)-halo, halo-C(=O)-O-, or -O-C(=O)-O- group
Subclass 198: Polymerizing in the presence of a specified material other than a reactant and other than Group IA or Group IIA material as sole metal atom

Class 427: Coating Processes

This is the generic class for: A. applying or obtaining a coating on a surface. The coating may be hard or soft, permanent or transitory, supplied solely by extraneous materials or supplied wholly or in part by the base material. B. impregnating a base by causing a coating material to extend or penetrate into the base material, or into the interstices of a porous, cellular or foraminous material. C. taking preparatory treatments of the base material, subsequent treatments of the coated base material and other ancillary noncoating operations claimed, per se, processes limited to etching for making a base more compatible with, or adherent to, the coating wherein the base is the substrate (work) onto which a coating is applied are included.

Subclass 255.5: Moving the base
Subclass 453: Metal oxide containing coating
Subclass 567: Silicon or metal oxide coating (e.g., glass, etc.)

Class 204: Chemistry: Electrical And Wave Energy

This class includes, where not provided for elsewhere: A. Processes (1) involving the use of electrolysis (as provided for in Class 205); (2) of preparing or purifying compounds or elements involving chemical reaction brought about by electrical or wave energy in a magnetic field; (3) of treating materials involving chemical reaction brought about by wave energy; (4) of preparing or purifying compounds or elements involving chemical reaction brought about by an electrostatic field or electrical discharge; (5) involving the use of electrophoresis or electro-osmosis; (6) of treating a liquid (a) to separate or purify the liquid using electric and magnetic fields simultaneously, (b) to separate or purify the liquid using an electric field, or (c) using a magnetic field to obtain some effect other than mere separation or purification of the liquid; (7) involving coating, forming, or etching by the use of sputtering; and (8) involving coating by the use of vacuum arc discharge.

Subclass 192.1: Coating, forming or etching by sputtering

Class 206: Special Receptacle Or Package

(a) a container configured to hold a particular article or set of articles or material; (b) a mercantile unit - i.e., means in or by which goods (article or material) are displayed, protected, packaged or arranged in a particular manner, to facilitate sale, transportation in commerce, use or storage or (c) a packet, compact or case carried on the person of a user.