US2799712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorqvinyl ethers
Assignee: —
•
Filing: —
•
Granted: 1957-07-16
•
Expires: 1974-07-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:46
CPC Classifications
C; C07; C07C; C07C43/00; C07C43/02; C07C43/03; C07C43/04; C07C43/12; C07C43/123; C07C43/14; C07C43/17; C07C41/00; C07C41/01; C07C41/05; C07C41/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A FLUOROVINYL ETHER HAVING THE FORMULA
Claim 2
Dependent Claim
6 words
A FLUOROVINYL ETHER HAVING THE FORMULA
References Cited (Backward Citations)
US2671799A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-15 | 1961-01-14 | 1961-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-15 | 1965-01-14 | 1965-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-15 | 1969-01-14 | 1969-07-16 | $7700.00 | Window Closed / Lapsed |