US2647835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light-sensitive photographic element and process of coating
Assignee: EIDP Inc
•
Filing: 1948-09-29
•
Granted: 1953-08-04
•
Expires: 1968-09-29
Abstract
No abstract record available.
Inventors
- 👤 Weaver Clay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:17
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/825; G03C1/835; G03C1/005; G03C1/04; G03C1/053; G03C1/775; G03C7/00; G03C7/30; G03C7/32; G03C7/327; G03C7/3275
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A PHOTOGRAPHIC ELEMENT COMPRISING A SUPPORT BEARING AT LEAST ONE LIGHT-SENSITIVE SILVER HALIDE LAYER AND AT LEAST ONE STRATUM OF A SYNTHETIC HYDROXYL POLYMER HAVING A PLURALITY OF RECURING INTRALINEAR
Claim 2
Dependent Claim
30 words
A PHOTOGRAPHIC ELEMENT COMPRISING A SUPPORT BEARING AT LEAST ONE LIGHT-SENSITIVE SILVER HALIDE LAYER AND AT LEAST ONE STRATUM OF A SYNTHETIC HYDROXYL POLYMER HAVING A PLURALITY OF RECURING INTRALINEAR
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) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |