US3374273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluoro compounds and synthesis thereof
Assignee: Honeywell International Inc
•
Filing: 1966-10-31
•
Granted: 1968-03-19
•
Expires: 1986-10-31
Abstract
No abstract record available.
Inventors
- 👤 William J Cunningham
- 👤 Woolf Cyril
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:43
CPC Classifications
C; C07; C07C; C07C49/00; C07C49/04; C07C49/16; C07C49/167; C07C31/00; C07C31/34; C07C31/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
THE PROCESS FOR MAKING A HYDRATE SELECTED FROM THE GROUP CONSISTING OF CF3COCF3$3H2O AND
Claim 2
Dependent Claim
14 words
THE PROCESS FOR MAKING A HYDRATE SELECTED FROM THE GROUP CONSISTING OF CF3COCF3$3H2O AND
References Cited (Backward Citations)
US2617836A
Cited
US2870211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |