US3311658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorocarbon ethers containing iodine
Assignee: EIDP Inc
•
Filing: 1966-08-01
•
Granted: 1967-03-28
•
Expires: 1986-08-01
Abstract
No abstract record available.
Inventors
- 👤 Warnell Joseph Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:57
CPC Classifications
C; C07; C07C; C07C59/00; C07C59/235; C07C59/305; C07C59/315; C07C51/00; C07C51/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
AN OMEGA-IODOFLUOROCARBON ETHER ACID FLUORIDE HAVING A GENERAL FORMULA:
Claim 2
Dependent Claim
9 words
AN OMEGA-IODOFLUOROCARBON ETHER ACID FLUORIDE HAVING A GENERAL FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-27 | 1970-09-26 | 1971-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-27 | 1974-09-26 | 1975-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-27 | 1978-09-26 | 1979-03-28 | $7700.00 | Window Closed / Lapsed |