US3240765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thiocarbonyl fluorides and their polymers
Assignee: EIDP Inc
•
Filing: 1961-05-01
•
Granted: 1966-03-15
•
Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 William J Middleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:24
CPC Classifications
C; C08; C08G; C08G75/00; C08G75/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
3 words
THIOCARBONYL CHLORIDE FLUORIDE.
Claim 2
Dependent Claim
3 words
THIOCARBONYL CHLORIDE FLUORIDE.
Claim 3
Dependent Claim
7 words
PROCESS FOR PREPARING ADDITIN POLYMERS HAVING THE
Claim 4
Dependent Claim
7 words
PROCESS FOR PREPARING ADDITIN POLYMERS HAVING THE
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |