US2739892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light-sensitive photomechanical resist compositions
Assignee: Eastman Kodak Co
•
Filing: 1953-12-30
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Granted: 1956-03-27
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Expires: 1973-12-30
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Murray
- 👤 Gerhard W Leubner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:01
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/038; G03F7/0388; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/106; Y10S430/109
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A LIGHT-SENSITIVE PHOTOMECHANICAL RESIST COMPOSITION COMPRISING A MIXTURE OF A POLYMER CONTAINING APPROXIMATELY 100 MOL PERCENT OF RECURRING VINYL CINNAMATE UNITS HAVING THE FORMULA
Claim 2
Dependent Claim
24 words
A LIGHT-SENSITIVE PHOTOMECHANICAL RESIST COMPOSITION COMPRISING A MIXTURE OF A POLYMER CONTAINING APPROXIMATELY 100 MOL PERCENT OF RECURRING VINYL CINNAMATE UNITS HAVING THE FORMULA
References Cited (Backward Citations)
US2610120A
Cited
US2670285A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |