US2816029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supersensitizing combinations comprising simple cyanine dyes and metal salts
Assignee: Eastman Kodak Co
•
Filing: 1955-03-08
•
Granted: 1957-12-10
•
Expires: 1975-03-08
Abstract
No abstract record available.
Inventors
- 👤 Jean E Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:14
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A WASHED PHOTOGRAPHIC SILVER HALIDE EMULSION SELECTED FROM THE GROUP CONSISTING OF WASHED PHOTGRAPHIC SILVER CHLORIDE EMULSIONS AND WASHED PHOTOGRAPHIC SILVER CHLOROBROMIDE EMULSIONS CONTAINING (1) AN APTICAL SENSI-
Claim 2
Dependent Claim
28 words
A WASHED PHOTOGRAPHIC SILVER HALIDE EMULSION SELECTED FROM THE GROUP CONSISTING OF WASHED PHOTGRAPHIC SILVER CHLORIDE EMULSIONS AND WASHED PHOTOGRAPHIC SILVER CHLOROBROMIDE EMULSIONS CONTAINING (1) AN APTICAL SENSI-
References Cited (Backward Citations)
US2284877A
Cited
US2399083A
Cited
US2432865A
Cited
US2517541A
Cited
US2618556A
Cited
US2598079A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |