Patent US3127408A successfully refreshed from Google Patents.
US3127408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
4-thiocyanato-2-butynyl carbamates
Assignee: Spencer Chemical Co
•
Filing: 1960-06-08
•
Granted: 1964-03-31
•
Expires: 1980-06-08
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Hopkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:03
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/72; C07D213/75; C07D249/00; C07D249/02; C07D249/08; C07D249/10; C07D249/14; C07D307/00; C07D307/02; C07D307/04; C07D307/10; C07D307/12; C07D307/34; C07D307/38; C07D307/52
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
6 words
A 4-THIOCYANATO-2-BUTYNYL CARBAMATE HAVING THE FORMULA
Claim 2
Dependent Claim
6 words
A 4-THIOCYANATO-2-BUTYNYL CARBAMATE HAVING THE FORMULA
Claim 3
Dependent Claim
1 words
N-(4-THIOCYANATO-2-BUTYNYLOXYCARBONYL)PIPERIDINE.
Claim 4
Dependent Claim
1 words
N-(4-THIOCYANATO-2-BUTYNYLOXYCARBONYL)PIPERIDINE.
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) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |