US3345405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-amino-2(and 3)-phenylcyclobutane-1-carboxylic acids
Assignee: Smith Kline & French Laboratories Ltd
•
Filing: 1964-03-31
•
Granted: 1967-10-03
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Expires: 1984-03-31
Abstract
No abstract record available.
Inventors
- 👤 Burger Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:14
CPC Classifications
C; C07; C07C; C07C205/00; C07C205/49; C07C205/56; C07C229/00; C07C229/02; C07C229/34; C07C229/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN AMINO ACID AND ITS PHARMACEUTICALLY ACCEPTABLE SALTS, SAID AMINO ACID HAVING THE FORMULA:
Claim 2
Dependent Claim
22 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN AMINO ACID AND ITS PHARMACEUTICALLY ACCEPTABLE SALTS, SAID AMINO ACID HAVING THE 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) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |