US2524685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric materials derived from di-2-alkenyl phthalates
Assignee: Uniroyal Inc
•
Filing: 1946-12-04
•
Granted: 1950-10-03
•
Expires: 1966-12-04
Abstract
No abstract record available.
Inventors
- 👤 Pliny O Tawney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:52
CPC Classifications
C; C08; C08F; C08F18/00; C08F18/02; C08F18/04; C08F18/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A SOLUBLE, FUSIBLE, UNSATURATED COPOLYMER OF A MONOMERIC DI-2-ALKENYL PHTHALATE, WHEREIN THE 2-ALKENYL GROUPS ARE SELECTED FROM THE CLASS CCONSISTING OF ALLYL AND METHALLYL AND A MONOMERIC ALKYL 2-ALKENYL ETHER HAVING THE FORMULA
Claim 2
Dependent Claim
33 words
A SOLUBLE, FUSIBLE, UNSATURATED COPOLYMER OF A MONOMERIC DI-2-ALKENYL PHTHALATE, WHEREIN THE 2-ALKENYL GROUPS ARE SELECTED FROM THE CLASS CCONSISTING OF ALLYL AND METHALLYL AND A MONOMERIC ALKYL 2-ALKENYL ETHER HAVING THE FORMULA
References Cited (Backward Citations)
US2378195A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-02 | 1954-04-03 | 1954-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-02 | 1958-04-03 | 1958-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-02 | 1962-04-03 | 1962-10-03 | $7700.00 | Window Closed / Lapsed |