US3356655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolymers of ethylenically unsaturated hydroxy-functional amines
Assignee: DeSoto Inc
•
Filing: 1966-08-15
•
Granted: 1967-12-05
•
Expires: 1986-08-15
Abstract
No abstract record available.
Inventors
- 👤 Sekmakas Kazys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:50
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
A SOLUTION COPOLYMER COMPRISING FROM 0.5 TO 20% BY WEIGHT OF THE COPOLYMER OF THE COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim
19 words
A SOLUTION COPOLYMER COMPRISING FROM 0.5 TO 20% BY WEIGHT OF THE COPOLYMER OF THE COMPOUND HAVING THE FORMULA:
References Cited (Backward Citations)
US3194792A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |