US3114637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic emulsions stabilized with 1, 2-dithiacyclopent-3-enes
Assignee: Eastman Kodak Co
•
Filing: 1961-05-01
•
Granted: 1963-12-17
•
Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 Roy A Jeffreys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:58
CPC Classifications
C; C22; C22B; C22B26/00; C22B26/20; C22B26/22; G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/34; G03C1/346
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
A PHOTOGRAPHIC SILVER HALIDE EMULSION CONTAINING A STABILIZER HAVING A FARMULA SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
17 words
A PHOTOGRAPHIC SILVER HALIDE EMULSION CONTAINING A STABILIZER HAVING A FARMULA SELECTED FROM THE GROUP CONSISTING OF
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-16 | 1967-06-17 | 1967-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-16 | 1971-06-17 | 1971-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-16 | 1975-06-17 | 1975-12-17 | $7700.00 | Window Closed / Lapsed |