Patent US2959611A successfully refreshed from Google Patents.
US2959611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluoroalkyl chlorocarbonates and carbamates
Assignee: EIDP Inc
•
Filing: 1959-01-21
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Granted: 1960-11-08
•
Expires: 1979-01-21
Abstract
No abstract record available.
Inventors
- 👤 Jerry A Nelson
- 👤 Thomas G Miller
- 👤 Kenneth C Smeltz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:50
CPC Classifications
C; C07; C07C; C07C271/00; C07C271/06
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
4 words
CHLOROFORMATES HAVING THE STRUCTURE
Claim 2
Dependent Claim
4 words
CHLOROFORMATES HAVING THE STRUCTURE
Claim 3
Dependent Claim
5 words
FLUOROALKYL CARBAMATES HAVING THE STRUCTURE
Claim 4
Dependent Claim
5 words
FLUOROALKYL CARBAMATES HAVING THE STRUCTURE
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) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |