US3453312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
(beta - (substituted-thio) - acylphenoxy)-alkanoic acids and (beta-(substitutedthio) acylphenylmercapto) alkanoic acids and derivatives thereof
Assignee: Merck and Co Inc
•
Filing: 1966-04-27
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Granted: 1969-07-01
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Expires: 1986-04-27
Abstract
No abstract record available.
Inventors
- 👤 James M Sprague
- 👤 Everett M Schultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:49
CPC Classifications
C; C07; C07C; C07C323/00; C07C323/23; C07C323/24; C07C323/25; C07C327/00; C07C59/00; C07C59/40; C07C59/76; C07C59/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF A COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim
13 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF A COMPOUND HAVING THE FORMULA:
References Cited (Backward Citations)
US3010996A
Cited
US3010995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |