Patent US3823017A successfully refreshed from Google Patents.
US3823017A
Expired / Lapsed
US
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Color photographic developer compositions
Assignee: United States Department of the Army
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Filing: 1973-04-05
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Granted: 1974-07-09
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Expires: 1993-04-05
Abstract
Abstract A COLOR PHOTOGRAPHIC DEVELOPER COMPOSITION OF IMPROVED STABILITY TO AREIAL OXIDATION IS OBTAINED BY INCLUDING 2ANILINOETHANOL IN THE DEVELOPER COMPOSITION.
Inventors
- 👤 H Hodes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:46
CPC Classifications
G; G03; G03C; G03C5/00; G03C5/26; G03C5/29; G03C5/305
Claims Analysis
Total Claims: 0
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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) | 1977-07-08 | 1978-01-07 | 1978-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-08 | 1982-01-07 | 1982-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-08 | 1986-01-07 | 1986-07-09 | $7700.00 | Window Closed / Lapsed |