Patent US3013879A successfully refreshed from Google Patents.
US3013879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of color photographic images
Assignee: Gevaert Photo Producten NV
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Filing: 1960-11-22
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Granted: 1961-12-19
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Expires: 1980-11-22
Abstract
No abstract record available.
Inventors
- 👤 Ramaix Maurice A De
- 👤 Jaeken Jan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:52
CPC Classifications
C; C07; C07D; C07D231/00; C07D231/02; C07D231/10; C07D231/14; C07D231/44; C07D231/46; C07D231/50; C07D231/18; C07D231/20; C07D231/22; C07D231/26; C07D231/48; C07D231/52; G; G03; G03C; G03C7/00; G03C7/18; G03C7/30; G03C7/32; G03C7/34; G03C7/344
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
METHOD OF FORMING A COLOR CORRECTED IMAGE IN A PHOTOGRAPHIC ELEMENT HAVING AT LEAST ONE SILVER HALIDE EMULSION LAYER CONTAINING A COLOR COUPLER OF THE FORMULA:
Claim 2
Dependent Claim
26 words
METHOD OF FORMING A COLOR CORRECTED IMAGE IN A PHOTOGRAPHIC ELEMENT HAVING AT LEAST ONE SILVER HALIDE EMULSION LAYER CONTAINING A COLOR COUPLER OF THE FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |