US3255241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
(2-alkylidene acyl)phenoxy-and (2-alkylidene acyl)phenylmercaptocarboxylic acids
Assignee: Merck and Co Inc
•
Filing: 1961-12-06
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Granted: 1966-06-07
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Expires: 1981-12-06
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 06:05
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/16; C07D295/18; C07D295/182; A; A61; A61K; A61K31/00; A61K31/185; A61K31/19; C07C; C07C323/00; C07C45/00; C07C45/27; C07C45/29; C07C45/292; C07C49/00; C07C49/76; C07C49/84; C07C51/00; C07C51/09; C07C51/16; C07C51/347; C07C51/353; C07C51/36; C07C51/363; C07C51/367; C07C51/373; C07C51/377; C07C51/41; C07C51/412; C07C59/00; C07C59/40; C07C59/58; C07C59/64; C07C59/66; C07C59/68; C07C59/70; C07C59/76; C07C59/90; C07C65/00; C07C65/32; C07C65/40
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)
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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |