US3401191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tetrafluoronitrobenzonitriles
Assignee: Imperial Smelting Corp Ltd
•
Filing: 1966-09-13
•
Granted: 1968-09-10
•
Expires: 1986-09-13
Abstract
No abstract record available.
Inventors
- 👤 Belf Leon Jerzy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:12
CPC Classifications
C; C07; C07C; C07C255/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
1 words
3,4,5,6-TETRAFLUORONITROBENZONITRILE.
Claim 2
Dependent Claim
1 words
3,4,5,6-TETRAFLUORONITROBENZONITRILE.
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) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |