US2599494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic emulsions
Assignee: EIDP Inc
•
Filing: 1947-08-09
•
Granted: 1952-06-03
•
Expires: 1967-08-09
Abstract
No abstract record available.
Inventors
- 👤 Clifford K Sloan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:06
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
THE PROCESS WHICH COMPRISES PRECIPITATING LIGHT-SENSITIVE SILVER HALIDES IN A FLUID MIXTURE OF A SYNTHETIC HYDROPHILIC HYDROXYL POLYMER WHICH CONTAINS A PLURALITY OF RECURRING INTRALINEAR
Claim 2
Dependent Claim
25 words
THE PROCESS WHICH COMPRISES PRECIPITATING LIGHT-SENSITIVE SILVER HALIDES IN A FLUID MIXTURE OF A SYNTHETIC HYDROPHILIC HYDROXYL POLYMER WHICH CONTAINS A PLURALITY OF RECURRING INTRALINEAR
References Cited (Backward Citations)
GB448863A
Cited
US2127573A
Cited
US2158825A
Cited
US2397866A
Cited
US2415382A
Cited
US2422680A
Cited
US2474617A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-03 | 1955-12-03 | 1956-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-03 | 1959-12-03 | 1960-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-03 | 1963-12-03 | 1964-06-03 | $7700.00 | Window Closed / Lapsed |