Polaroid Corp
Polaroid CActive Patents
0
Total Holdings
47
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB2029308A | Photographic processing method and apparatus | Expired / Lapsed | 1979-07-20 | — | 19 | Details |
| US4676583A | Adscititious resonator | Expired / Lapsed | 1985-05-02 | 1987-06-30 | 15 | Details |
| US4554591A | Reproducible image and information bearing record | Expired / Lapsed | 1983-09-19 | 1985-11-19 | 12 | Details |
| US3911494A | Interactive teaching system using two tapes in a single cas… | Expired / Lapsed | 1974-02-11 | 1975-10-07 | 7 | Details |
| US3825335A | Variable color photographic lighting system | Expired / Lapsed | 1973-01-04 | 1974-07-23 | 28 | Details |
| US3761179A | Mirror testing apparatus | Expired / Lapsed | 1971-08-26 | 1973-09-25 | 18 | Details |
| US3651252A | Image reproduction system which detects subject by sensing … | Expired / Lapsed | 1970-01-22 | 1972-03-21 | 25 | Details |
| US3634682A | Laser interferometer-type servo-positioning system comprisi… | Expired / Lapsed | 1970-02-13 | 1972-01-11 | 42 | Details |
| US3511659A | Novel detachable masks | Expired / Lapsed | 1966-12-30 | 1970-05-12 | 0 | Details |
| US3464332A | Automatic exposure control system | Expired / Lapsed | 1966-05-12 | 1969-09-02 | 0 | Details |
| US3382783A | Photographic exposure and processing apparatus | Expired / Lapsed | 1966-04-25 | 1968-05-14 | 0 | Details |
| US3347981A | Method for transmitting digital data in connection with doc… | Expired / Lapsed | 1964-03-18 | 1967-10-17 | 2 | Details |
| US3296594A | Optical associative memory | Expired / Lapsed | 1963-06-14 | 1967-01-03 | 2 | Details |
| US3205795A | Automatic exposure control device | Expired / Lapsed | 1961-11-06 | 1965-09-14 | 2 | Details |
| US3056492A | Fluid containers | Expired / Lapsed | 1960-10-03 | 1962-10-02 | 1 | Details |
| US2854697A | Method of stretching plastic sheet material | Expired / Lapsed | 1954-12-14 | 1958-10-07 | 0 | Details |
| US2788707A | Projection system for stereoscopic images | Expired / Lapsed | 1954-02-19 | 1957-04-16 | 0 | Details |
| US2600962A | Tunable narrow band optical filter | Expired / Lapsed | 1948-10-09 | 1952-06-17 | 0 | Details |
| US2590186A | Method of forming films | Expired / Lapsed | 1948-04-24 | 1952-03-25 | 0 | Details |
| US2554850A | Heat resistant light-polarizing polyvinyl borate film conta… | Expired / Lapsed | 1948-06-18 | 1951-05-29 | 2 | Details |
| US2530306A | Process and apparatus for forming liquid-carrying containers | Expired / Lapsed | 1945-10-06 | 1950-11-14 | 0 | Details |
| US2493200A | Variable polarizing color filter | Expired / Lapsed | 1946-05-31 | 1950-01-03 | 0 | Details |
| US2476576A | Stereocamera film and shutter wind | Expired / Lapsed | 1946-04-19 | 1949-07-19 | 0 | Details |
| US2475921A | Glare reduction filter comprising light polarizing area mer… | Expired / Lapsed | 1940-06-26 | 1949-07-12 | 0 | Details |
| US2475471A | Glare-eliminating eyeshield | Expired / Lapsed | 1946-12-06 | 1949-07-05 | 0 | Details |
| US2441049A | Composite achromatic wave plates comprising superimposed sh… | Expired / Lapsed | 1944-09-29 | 1948-05-04 | 0 | Details |
| US2440092A | Polymers and copolymers of alkoxy acrylic esters | Expired / Lapsed | 1945-10-17 | 1948-04-20 | 0 | Details |
| US2434076A | Eyeshield | Expired / Lapsed | 1945-04-09 | 1948-01-06 | 0 | Details |
| US2427259A | Jig for predeterminedly marking polarizing screens with res… | Expired / Lapsed | 1945-08-27 | 1947-09-09 | 0 | Details |
| US2423492A | Lens mounting | Expired / Lapsed | 1943-10-14 | 1947-07-08 | 0 | Details |
| US2420253A | Optical interference sight for guns, cameras, or the like, … | Expired / Lapsed | 1946-04-23 | 1947-05-06 | 0 | Details |
| US2420252A | Optical interference sight for guns, cameras, or the like | Expired / Lapsed | 1945-03-23 | 1947-05-06 | 0 | Details |
| US2406401A | Mold for use in the manufacture of optical elements | Expired / Lapsed | 1942-09-02 | 1946-08-27 | 0 | Details |
| US2405301A | Optical system | Expired / Lapsed | 1943-04-23 | 1946-08-06 | 0 | Details |
| US2397231A | Process of manufacturing coated light polarizers | Expired / Lapsed | 1941-11-15 | 1946-03-26 | 0 | Details |
| US2380363A | Light polarizer and process of manufacture | Expired / Lapsed | 1941-10-18 | 1945-07-10 | 0 | Details |
| US2362832A | Remote-control apparatus employing polarized electromagneti… | Expired / Lapsed | 1940-09-16 | 1944-11-14 | 0 | Details |
| US2354243A | Apparatus and method for orienting the surface molecules of… | Expired / Lapsed | 1942-01-26 | 1944-07-25 | 0 | Details |
| US2337617A | Goggle | Expired / Lapsed | 1940-04-11 | 1943-12-28 | 0 | Details |
| US2323059A | Building construction unit comprising light-polarizing mate… | Expired / Lapsed | 1940-11-07 | 1943-06-29 | 0 | Details |
| US2281100A | Method of manufacturing light polarizers | Expired / Lapsed | 1939-02-23 | 1942-04-28 | 0 | Details |
| US2270323A | Polyvinyl alcohol having high birefringence | Expired / Lapsed | 1939-05-04 | 1942-01-20 | 0 | Details |
| US2263316A | Sound track in light-polarizing film | Expired / Lapsed | 1940-09-10 | 1941-11-18 | 0 | Details |
| US2237567A | Light polarizer and process of manufacturing the same | Expired / Lapsed | 1939-05-04 | 1941-04-08 | 0 | Details |
| US2203687A | Apparatus employing polarized light for the production of s… | Expired / Lapsed | 1938-05-11 | 1940-06-11 | 0 | Details |
| US2184999A | Light filter | Expired / Lapsed | 1938-02-24 | 1939-12-26 | 0 | Details |
| US2174269A | Strain tester | Expired / Lapsed | 1936-10-01 | 1939-09-26 | 0 | Details |