US2948610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light-sensitive compositions and their use in photomechanical processes
Assignee: Eastman Kodak Co
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Filing: 1955-07-29
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Granted: 1960-08-09
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Expires: 1975-07-29
Abstract
No abstract record available.
Inventors
- 👤 Stewart H Merrill
- 👤 Earl M Robertson
- 👤 Henry C Staehle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:08
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/06; C07D213/16; C07D213/20; C07C; C07C247/00; C07D277/00; C07D277/60; C07D277/84; C08; C08B; C08B3/00; C08F; C08F8/00; C08F8/30; G; G03; G03F; G03F7/00; G03F7/004; G03F7/008; G03F7/012
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A PHOTOGRAPHIC REPRODUCTION PROCESS WHICH COMPRISES EXPOSING TO AN ORIGINAL A SUPPORTED LAYER OF AN INHERENTLY LIGHT-SENSITIVE FILM FORMING POLYMER CONTAINING FROM ABOUT 10 TO 100 PERCENT OF RECURRING UNITS HAVING THE FORMULA:
Claim 2
Dependent Claim
33 words
A PHOTOGRAPHIC REPRODUCTION PROCESS WHICH COMPRISES EXPOSING TO AN ORIGINAL A SUPPORTED LAYER OF AN INHERENTLY LIGHT-SENSITIVE FILM FORMING POLYMER CONTAINING FROM ABOUT 10 TO 100 PERCENT OF RECURRING UNITS HAVING THE FORMULA:
References Cited (Backward Citations)
US2498722A
Cited
US2551133A
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US2692826A
Cited
US2663640A
Cited
US2714066A
Cited
US2695846A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |