US3219680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thiolfluoroformates and method for their preparation
Assignee: Dow Chemical Co
•
Filing: 1961-08-28
•
Granted: 1965-11-23
•
Expires: 1981-08-28
Abstract
No abstract record available.
Inventors
- 👤 Olah George Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:49
CPC Classifications
C; C07; C07C; C07C329/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
GB480105A
Cited
US2820807A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |