Patent US3113936A successfully refreshed from Google Patents.
US3113936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorothiacyl chlorides and polymers thereof
Assignee: EIDP Inc
•
Filing: 1959-08-17
•
Granted: 1963-12-10
•
Expires: 1979-08-17
Abstract
No abstract record available.
Inventors
- 👤 William J Middleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:04
CPC Classifications
C; C08; C08G; C08G75/00; C08G75/02; C07; C07C; C07C327/00; C07D; C07D339/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
2 words
POLY(TRIFLUOROTHIOACETYL CHLORIDE).
Claim 2
Dependent Claim
2 words
POLY(TRIFLUOROTHIOACETYL CHLORIDE).
References Cited (Backward Citations)
US2480467A
Cited
US2647108A
Cited
US2851407A
Cited
US2720509A
Cited
US2900392A
Cited
US2861103A
Cited
US2905696A
Cited
US2884453A
Cited
US2912373A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |