Patent US2958704A successfully refreshed from Google Patents.
US2958704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkenyl isocyanate-substituted carbamates
Assignee: Goodrich Corp
•
Filing: 1958-09-02
•
Granted: 1960-11-01
•
Expires: 1978-09-02
Abstract
No abstract record available.
Inventors
- 👤 Dinbergs Kornelius
- 👤 Charles S Schollenberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:04
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/70; C08G18/81; C08G18/8108; C08G18/72; C08G18/728
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
THE COMPOSITION CONFORMING TO THE STRUCTURE
Claim 2
Dependent Claim
6 words
THE COMPOSITION CONFORMING TO THE STRUCTURE
References Cited (Backward Citations)
US2556437A
Cited
US2683728A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |