US2948612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic materials and method of producing the same
Assignee: GAF Chemicals Corp
•
Filing: 1959-03-03
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Granted: 1960-08-09
•
Expires: 1979-03-03
Abstract
No abstract record available.
Inventors
- 👤 Angelus Millet R De
- 👤 Dersch Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:37
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/34; G03C1/346
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A LIGHT-SENSTITIVE MATERIAL COMPRISING A BASE AND A LIGHT-SENSTITIVE SILVER HALIDE EMULSION THEREON, SAID MATERIAL CONTAINING ANTIFOGGANT AND STABILIZING COMPOUND HAVING THE FOLLOWING CHEMICAL FORMULA:
Claim 2
Dependent Claim
25 words
A LIGHT-SENSTITIVE MATERIAL COMPRISING A BASE AND A LIGHT-SENSTITIVE SILVER HALIDE EMULSION THEREON, SAID MATERIAL CONTAINING ANTIFOGGANT AND STABILIZING COMPOUND HAVING THE FOLLOWING CHEMICAL FORMULA:
References Cited (Backward Citations)
US2476536A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |