US3236652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized silver halide emulsions
Assignee: Eastman Kodak Co
•
Filing: 1963-01-10
•
Granted: 1966-02-22
•
Expires: 1983-01-10
Abstract
No abstract record available.
Inventors
- 👤 Kenneth C Kennard
- 👤 Frederick J Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:39
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/33; G03C1/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
A PHOTOGRAPHIC SILVER HALIDE EMULSION CONTAINING A STABLIZING COMPOUND HAVING A FORMULA SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
18 words
A PHOTOGRAPHIC SILVER HALIDE EMULSION CONTAINING A STABLIZING COMPOUND HAVING A FORMULA SELECTED FROM THE GROUP CONSISTING OF
References Cited (Backward Citations)
US2221793A
Cited
US2591542A
Cited
US2675318A
Cited
US2719087A
Cited
US2728659A
Cited
DE1112282B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |