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Browse by Category: Main > Optical & Optics
Class Information
Number: 352/130
Name: Optics: motion pictures > With film treating or working
Description: Subject matter including means for treating, processing, or performing a nonmotion picture type work upon the motion picture carrier during the recording or reproduction of the motion picture sequence on or from the carrier.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8113659 Visual film identification Feb. 14, 2012
8068207 Intermediate film identifier marking Nov. 29, 2011
7751024 Motion picture camera having a film magazine and means for cleaning the film Jul. 6, 2010
7277154 Vertical platter system for dividing a 35 mm cinematographic film and increasing the number of starting times of the film in several theatres in a multiplex cinema with a single copy descripti Oct. 2, 2007
6359675 Motion picture recording process and device to reduce filming defects Mar. 19, 2002
6283645 Camera with film debris catching comb Sep. 4, 2001
6232033 Method for making paper emulsion cinematic film May. 15, 2001
5561483 Method and apparatus for providing and cleaning a film support surface Oct. 1, 1996
5361444 Film cleaning apparatus Nov. 8, 1994
4659199 Apparatus for use in coding spliced film Apr. 21, 1987
4657805 Dust cover superior in transparency for photomask reticle use and process for producing the same Apr. 14, 1987
4452523 Method of and apparatus for processing film Jun. 5, 1984
4370035 Dual web sound movie cassette with emulsion stripping web Jan. 25, 1983
4314744 Multipurpose film handling cassette having preliminary assembly condition Feb. 9, 1982
4300822 Multipurpose film cassette having balanced force process mode switch Nov. 17, 1981
4285581 Multipurpose film handling cassette having a modular film processor Aug. 25, 1981
4279055 Film processing involving noxious substance removal Jul. 21, 1981
4255025 Method and apparatus for covering sealing surface on sealing device of film cassette processor Mar. 10, 1981
4248507 Multipurpose photographic film handling cassette having an improved film processor arrangement Feb. 3, 1981
4244640 Film cassette having friction pad pull strip stress reliever Jan. 13, 1981
4238144 Audio tape free loop control arrangement for multipurpose audio-visual film cassette Dec. 9, 1980
4238145 Multipurpose film cassette having one-piece process mode switch Dec. 9, 1980
4226511 Film strip/audio tape arrangement for audio-visual cassette Oct. 7, 1980
4218117 Audio system vibration isolation arrangement for photographic viewer Aug. 19, 1980
4214822 Multipurpose film cassette having one-piece rotating process mode switch Jul. 29, 1980
4212521 Motion picture film cassette having removable film stripping web Jul. 15, 1980
4212528 Photographic film cassette having pressure pad and nozzle arrangement Jul. 15, 1980
4211580 Method and apparatus for cleaning an endless strip of film, tape, or the like Jul. 8, 1980
4209235 Film cassette processor having capillary grooves Jun. 24, 1980
4203655 Tapered pressure pad to prevent film scratching May. 20, 1980
4198152 Method and apparatus for eliminating undesirable blemishes in coating of processing fluid Apr. 15, 1980
4198135 Method and apparatus for releasing processing fluid from a fluid applicator by application of thermal energy Apr. 15, 1980
4194816 High speed rotating drive termination system Mar. 25, 1980
4188098 Photographic film cassette having bowed spring with device preventing overstressing of spring Feb. 12, 1980
4187009 Slide valve displacing arrangement for multipurpose cassette Feb. 5, 1980
4171898 Film cassette processor having reverse inclined doctor blade Oct. 23, 1979
4170407 Sound film cassette employing separating web Oct. 9, 1979
4162829 Photographic film drive system employing inertia dumper/energy dissipater Jul. 31, 1979
4155634 Film cassette contained processing fluid applicator having converging fluid channel May. 22, 1979
4152053 Film inspection machine May. 1, 1979
4150885 Stabilized scene viewing system Apr. 24, 1979
4147408 Back projection viewing screen Apr. 3, 1979
4145126 Film cassette sensing and retaining unit Mar. 20, 1979
4145231 Film driven film cleaner Mar. 20, 1979
4142193 Film storage and developing cassette Feb. 27, 1979
4140375 Idler roller mounting arrangement for sound motion picture film handling cassette Feb. 20, 1979
4139284 Film processing cassette containing means for absorbing excess film processing fluid Feb. 13, 1979
4135793 Transducer backup assembly for sound motion picture film handling cassette Jan. 23, 1979
4131344 Motor control system for automatic processing of photographic film strips Dec. 26, 1978
4119370 Self-developing motion picture viewer having controlled film imbibition Oct. 10, 1978

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