US2966522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfurization of ortho-thioformates
Assignee: Union Oil Company of California
•
Filing: 1958-05-19
•
Granted: 1960-12-27
•
Expires: 1978-05-19
Abstract
No abstract record available.
Inventors
- 👤 Irving D Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:57
CPC Classifications
C; C07; C07C; C07C319/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
IN A PROCESS WHEREIN AN ORTHO-THIOFORMATE COMPOUND HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
11 words
IN A PROCESS WHEREIN AN ORTHO-THIOFORMATE COMPOUND HAVING THE GENERAL 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) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |