US3155666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-dialkylaminoalkyl-5-diphenylmethyl-1h-tetrazoles and related compounds
Assignee: GD Searle LLC
•
Filing: 1963-07-18
•
Granted: 1964-11-03
•
Expires: 1983-07-18
Abstract
No abstract record available.
Inventors
- 👤 John W Cusic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:34
CPC Classifications
C; C07; C07D; C07D257/00; C07D257/02; C07D257/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
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) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |