US2887376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic reproduction process using light-sensitive polymers
Assignee: Eastman Kodak Co
•
Filing: 1956-01-26
•
Granted: 1959-05-19
•
Expires: 1976-01-26
Abstract
No abstract record available.
Inventors
- 👤 Carolyn K Tupis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:19
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/038; G03F7/0388; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/106; Y10S430/111; Y10S430/114; Y10S430/116; Y10S522/00; Y10S522/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
3. A PHOTOGRAPHIC REPRODUCTION PROCESS WHICH COMPRISES EXPOSING TO A SUBJECT A SUPPORTED LAYER OF A MIXTURE OD (1) A C-VINYLPYRIDINE WUATERNARY SALT POLYMER CONTAINING AS A SUBSTITUENT ON A SUBSTANTIAL PROPORTION OF THE PYRIDY NUCLEI, THE GROUPING
Claim 2
Dependent Claim
38 words
3. A PHOTOGRAPHIC REPRODUCTION PROCESS WHICH COMPRISES EXPOSING TO A SUBJECT A SUPPORTED LAYER OF A MIXTURE OD (1) A C-VINYLPYRIDINE WUATERNARY SALT POLYMER CONTAINING AS A SUBSTITUENT ON A SUBSTANTIAL PROPORTION OF THE PYRIDY NUCLEI, THE GROUPING
References Cited (Backward Citations)
US654766A
Cited
US2063348A
Cited
US2675315A
Cited
US2484456A
Cited
US2484431A
Cited
US2739892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |