US2594825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interpolymers of selected poly-(2-alkenoxyalkyl) esters of fumaric acid and selected 2-alkenyl compounds
Assignee: Uniroyal Inc
•
Filing: 1947-11-13
•
Granted: 1952-04-29
•
Expires: 1967-11-13
Abstract
No abstract record available.
Inventors
- 👤 Pliny O Tawney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:49
CPC Classifications
C; C08; C08F; C08F22/00; C08F22/10; C08F22/26; C08F22/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
AN INTERPOLYMER OF DI-(B-ALLYLOXYETHYL) FUMARATE AND FROM 0.2 TO 9 MOLES OF ALLYL ALCOHOL PER MOLE OF SAID FUMARATE.
Claim 2
Dependent Claim
19 words
AN INTERPOLYMER OF DI-(B-ALLYLOXYETHYL) FUMARATE AND FROM 0.2 TO 9 MOLES OF ALLYL ALCOHOL PER MOLE OF SAID FUMARATE.
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) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |