US3121108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-amino-1-perfluoroalkyl-ethylene compounds
Assignee: EIDP Inc
•
Filing: 1959-10-30
•
Granted: 1964-02-11
•
Expires: 1979-10-30
Abstract
No abstract record available.
Inventors
- 👤 Alden D Josey
- 👤 Proskow Stephen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:31
CPC Classifications
C; C07; C07C; C07C255/00; C09; C09B; C09B39/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
PRODUCTS REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim
5 words
PRODUCTS REPRESENTED BY THE FORMULA
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) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |