US3138636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anthranilic acid derivatives
Assignee: Parke Davis and Co LLC
•
Filing: 1960-06-23
•
Granted: 1964-06-23
•
Expires: 1980-06-23
Abstract
No abstract record available.
Inventors
- 👤 Robert A Scherrer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:34
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/185; A61K31/19; A61K31/195; A61K31/196; C; C07; C07C; C07C229/00; C07C229/52; C07C229/54; C07C229/56; C07C229/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF A FREE ACID AND SALTS THEREOF WITH PHARMACEUTICALLYACCEPTABLE CATIONS, SAID FREE ACID HAVING THE FORMULA
Claim 2
Dependent Claim
23 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF A FREE ACID AND SALTS THEREOF WITH PHARMACEUTICALLYACCEPTABLE CATIONS, SAID FREE ACID HAVING THE FORMULA
References Cited (Backward Citations)
US2006735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |