US3355414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermosetting polyesters
Assignee: Eastman Kodak Co
•
Filing: 1961-09-14
•
Granted: 1967-11-28
•
Expires: 1981-09-14
Abstract
No abstract record available.
Inventors
- 👤 John R Caldwell
- 👤 Jr Winston J Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:10
CPC Classifications
C; C09; C09D; C09D169/00; C07; C07C; C07C39/00; C07C39/12; C07C39/17; C07C39/23; C08; C08G; C08G63/00; C08G63/64; C08G64/00; C08G64/04; C08G64/045; C08G64/16; C08G64/1691; C07C2601/00; C07C2601/12; C07C2601/16; C07C2602/00; C07C2602/36; C07C2602/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
AN OLEFINICALLY UNSATURATED, LINEAR THERMOSETTING POLYCARBONATE OR COPOLY(ESTER-CARBONATE) OF CONSTITUENTS CONSISTING ESSENTIALLY OF (A) A MEMBER SELECTED FROM THE GROUP CONSISTING OF BISPHENOLS FREE OF OLEFINIC UNSATURATION AND OLEFINICALLY UNSATURATED BISPHENOLS, SAID OLEFINICALLY UNSATURATED BISPHENOLS BEING SELECTED FRM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
42 words
AN OLEFINICALLY UNSATURATED, LINEAR THERMOSETTING POLYCARBONATE OR COPOLY(ESTER-CARBONATE) OF CONSTITUENTS CONSISTING ESSENTIALLY OF (A) A MEMBER SELECTED FROM THE GROUP CONSISTING OF BISPHENOLS FREE OF OLEFINIC UNSATURATION AND OLEFINICALLY UNSATURATED BISPHENOLS, SAID OLEFINICALLY UNSATURATED BISPHENOLS BEING SELECTED FRM THE GROUP CONSISTING OF
References Cited (Backward Citations)
US3124554A
Cited
US2883365A
Cited
US2761879A
Cited
US2991273A
Cited
US3030331A
Cited
US3220976A
Cited
US3043802A
Cited
US3053803A
Cited
US3164564A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |