US2983747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making thiolcarbamates
Assignee: Stauffer Chemical Co
•
Filing: 1958-07-28
•
Granted: 1961-05-09
•
Expires: 1978-07-28
Abstract
No abstract record available.
Inventors
- 👤 Ramsey G Campbell
- 👤 Gilbert E Klingman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:36
CPC Classifications
C; C07; C07C; C07C333/00; C07C333/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
THE PROCESS OF REACTING A CARBAMYL CHLORIDE OF THE FORMULA:
Claim 2
Dependent Claim
10 words
THE PROCESS OF REACTING A CARBAMYL CHLORIDE OF THE FORMULA:
References Cited (Backward Citations)
US2212895A
Cited
US2642450A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |