US2801233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ethylene-vinyl cinnamate copolymers
Assignee: Eastman Kodak Co
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Filing: 1955-07-29
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Granted: 1957-07-30
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Expires: 1975-07-29
Abstract
No abstract record available.
Inventors
- 👤 Louis M Minsk
- 👤 Cornelius C Unruh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:48
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/038; G03F7/0388; C; C08; C08F; C08F8/00; C08F8/14; C08F2810/00; C08F2810/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A RESINOUS COPOLYMER CONTAINING FROM ABOUT 2 TO 50 MOL PERCENT OF RECURRING ETHYLENE UNITS AND FROM ABOUT 98 TO 50 MOLS PERCENT OF RECURRING UNITS HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
30 words
A RESINOUS COPOLYMER CONTAINING FROM ABOUT 2 TO 50 MOL PERCENT OF RECURRING ETHYLENE UNITS AND FROM ABOUT 98 TO 50 MOLS PERCENT OF RECURRING UNITS HAVING THE GENERAL FORMULA
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) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |