US2536079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkyl-substituted carbamates
Assignee: Merck Sharp & Dohme LLC
•
Filing: 1946-07-23
•
Granted: 1951-01-02
•
Expires: 1966-07-23
Abstract
No abstract record available.
Inventors
- 👤 Papa Domenick
- 👤 Sperber Nathan
- 👤 Schwenk Erwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:24
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/088
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
SUBSTITUTED CARBAMATES OF THE GENERAL FORMULA
Claim 2
Dependent Claim
6 words
SUBSTITUTED CARBAMATES OF THE GENERAL FORMULA
References Cited (Backward Citations)
GB370693A
Cited
US2408893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |