Patent US2907287A successfully refreshed from Google Patents.
Patent US3148062A successfully refreshed from Google Patents.
US3148062A
Expired / Lapsed
US
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Photographic elements and processes using splittable couplers
Assignee: Eastman Kodak Co
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Filing: 1959-04-06
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Granted: 1964-09-08
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Expires: 1979-04-06
Abstract
No abstract record available.
Inventors
- 👤 Keith E Whitmore
- 👤 Cyril J Staud
- 👤 Charles R Barr
- 👤 Williams John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:13
CPC Classifications
C; C07; C07D; C07D257/00; C07D257/02; C07D257/04; C07D231/00; C07D231/02; C07D231/10; C07D231/14; C07D231/18; C07D231/20; C07D231/22; C07D231/26; C07D231/28; C07D231/30; C07D231/32; C07D231/34; C07D231/36; C07D231/44; C07D231/52; C07D249/00; C07D249/16; C07D249/18; C07D277/00; C07D277/60; C07D277/62; C07D277/68; C07D277/70; C07D277/74; C07D307/00; C07D307/77; C07D307/78; C07D307/79; C07D307/80; C07D333/00; C07D333/02; C07D333/04; C07D333/26; C07D333/30; C07D333/34; C07F; C07F3/00; C07F3/10; C07F3/12; C09; C09B; C09B11/00; C09B11/04; C09B11/06; C09B11/26; C09B31/00; C09B31/02; C09B31/06; C09B31/061; C09B35/00; C09B35/02; C09B35/039; C09B35/04; C09B39/00; G; G03; G03C; G03C7/00; G03C7/30; G03C7/305; G03C7/32; G03C7/333; G03C7/3335
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
THE PROCESS FOR CONTROLLING THE DEVELOPMENT OF A PHOTOGRAPHIC IMAGE WHICH COMPRISES DEVELOPING WITH AN AROMATIC PRIMARY AMINO SILVER HALIDE COLOR DEVELOPING AGENT AN EXPOSED LIGHT-SNESITIVE PHOTOGRAPHIC ELEMENT COMPRISING AT LEAST ONE SILVER HALIDE EMULSION LAYER IN THE PRESENCE OF A DEVELOPMENT INHIBITOR-RELEASING COUPLER HAVING THE FORMULA
Claim 2
Dependent Claim
47 words
THE PROCESS FOR CONTROLLING THE DEVELOPMENT OF A PHOTOGRAPHIC IMAGE WHICH COMPRISES DEVELOPING WITH AN AROMATIC PRIMARY AMINO SILVER HALIDE COLOR DEVELOPING AGENT AN EXPOSED LIGHT-SNESITIVE PHOTOGRAPHIC ELEMENT COMPRISING AT LEAST ONE SILVER HALIDE EMULSION LAYER IN THE PRESENCE OF A DEVELOPMENT INHIBITOR-RELEASING COUPLER HAVING THE FORMULA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |