US3227633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic photographic process and its material
Assignee: Sony Corp
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Filing: 1961-06-30
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Granted: 1966-01-04
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Expires: 1981-06-30
Abstract
No abstract record available.
Inventors
- 👤 Tokumoto Shin-Ichi
- 👤 Tanaka Eiji
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:52
CPC Classifications
G; G03; G03G; G03G17/00; G03G17/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A MULTICOLOR PICTURE FILM COMPRISING: A LAYER CONTAINING COLOR CHANGEABLE REAGENTS FOR AT LEAST TWO DIFFERENT COLORS AND INITIATORS FOR PICTURE FORMING CHEMICAL REACTION WHICH ARE REDUCED BY THE APPLICATION OF ELECTRIC CURRENT, SAID INITIATORS SELECTED FROM A CLASS CONSISTING OF ALKALI METAL SULFIDES AND HEAVY METAL SALTS, SAID COLOR CHANGEABLE REAGENTS BEING COEXTENSIVE AND ARRANGED IN THE FORM OF MOSAIC IN A CURRENT-PASSABLE STATE WITHOUT ONE LYING UPON ANOTHER; A MOSAIC COLOR FILTER FOR COLOR SEPARATION WHEREIN A COLOR CORRESPONDS TO THAT OF SAID COLOR CHANGEABLE REAGENT, A PROTECTIVE LAYER USUABLE AS AN ELECTRODE FOR AN ELECTRIC CURRENT CORRESPONDING TO AN OBJECTIVE IMAGE TO BE REPRODUCED, AND MEANS FOR PROVIDING SAID ELECTRIC CURRENT.
Claim 2
Dependent Claim
114 words
A MULTICOLOR PICTURE FILM COMPRISING: A LAYER CONTAINING COLOR CHANGEABLE REAGENTS FOR AT LEAST TWO DIFFERENT COLORS AND INITIATORS FOR PICTURE FORMING CHEMICAL REACTION WHICH ARE REDUCED BY THE APPLICATION OF ELECTRIC CURRENT, SAID INITIATORS SELECTED FROM A CLASS CONSISTING OF ALKALI METAL SULFIDES AND HEAVY METAL SALTS, SAID COLOR CHANGEABLE REAGENTS BEING COEXTENSIVE AND ARRANGED IN THE FORM OF MOSAIC IN A CURRENT-PASSABLE STATE WITHOUT ONE LYING UPON ANOTHER; A MOSAIC COLOR FILTER FOR COLOR SEPARATION WHEREIN A COLOR CORRESPONDS TO THAT OF SAID COLOR CHANGEABLE REAGENT, A PROTECTIVE LAYER USUABLE AS AN ELECTRODE FOR AN ELECTRIC CURRENT CORRESPONDING TO AN OBJECTIVE IMAGE TO BE REPRODUCED, AND MEANS FOR PROVIDING SAID ELECTRIC CURRENT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |