Patent US3335009A successfully refreshed from Google Patents.
US3335009A
Expired / Lapsed
US
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Antifoggant combination for processing evaporated silver halide layers
Assignee: Eastman Kodak Co
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Filing: 1965-10-22
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Granted: 1967-08-08
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Arthur A Rasch
- 👤 Wilbur C Hodges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:23
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/34; G03C1/346; G03C1/494; G03C1/496; G03C1/4965; G03C1/76; G03C1/7614; G03C5/00; G03C5/26; G03C5/29; G03C5/305; Y; Y10; Y10S; Y10S430/00; Y10S430/133
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
THE PROCESS FOR PROVIDING PHOTOGRAPHIC IMAGES IN AN EXPOSED, BINDERLESS SILVER HALIDE PHOTOGRAPHIC LAYER WHICH COMPRISES DEVELOPING SAID LAYER IN THE PRESENCE OF A HETEROCYCLIC NITROGEN COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim
30 words
THE PROCESS FOR PROVIDING PHOTOGRAPHIC IMAGES IN AN EXPOSED, BINDERLESS SILVER HALIDE PHOTOGRAPHIC LAYER WHICH COMPRISES DEVELOPING SAID LAYER IN THE PRESENCE OF A HETEROCYCLIC NITROGEN COMPOUND HAVING THE FORMULA:
References Cited (Backward Citations)
US2403927A
Cited
US2819166A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |