US2820807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trifluoromethyl thiol esters
Assignee: EIDP Inc
•
Filing: 1955-10-05
•
Granted: 1958-01-21
•
Expires: 1975-10-05
Abstract
No abstract record available.
Inventors
- 👤 Eugene H Man
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:05
CPC Classifications
C; C07; C07C; C07C329/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A TRIFLUOROMETHYL ESTER OF THE FORMULA
Claim 2
Dependent Claim
6 words
A TRIFLUOROMETHYL ESTER OF THE 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) | 1961-01-20 | 1961-07-22 | 1962-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-20 | 1965-07-22 | 1966-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-20 | 1969-07-22 | 1970-01-21 | $7700.00 | Window Closed / Lapsed |