US3352901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenylacetic acids, esters, and amides
Assignee: Merck and Co Inc
•
Filing: 1963-03-07
•
Granted: 1967-11-14
•
Expires: 1983-03-07
Abstract
No abstract record available.
Inventors
- 👤 Everett M Schultz
- 👤 James M Sprague
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:31
CPC Classifications
C; C07; C07C; C07C59/00; C07C59/40; C07C59/76; C07C59/84; C07C243/00; C07C243/24; C07C243/36; C07C59/42; C07C59/56; C07C59/88; C07C59/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A PRODUCT HAVING THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
6 words
A PRODUCT HAVING THE STRUCTURAL 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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |