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US2650243A
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US
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Oxy-phenyl cyclohexane-and cyclohexene-carboxylic acids and derivatives
Assignee: Merck and Co Inc
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Filing: 1951-05-10
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Granted: 1953-08-25
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Expires: 1971-05-10
Abstract
No abstract record available.
Inventors
- 👤 Frederick C Novello
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:20
CPC Classifications
C; C07; C07C; C07C59/00; C07C59/40; C07C59/58; C07C59/64; C07C2601/00; C07C2601/06; C07C2601/08; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A COMPOUND CHOSEN FROM THE CLASS CONSISTING OF
Claim 2
Dependent Claim
8 words
A COMPOUND CHOSEN FROM THE CLASS CONSISTING OF
References Cited (Backward Citations)
US2496064A
Cited
US2582253A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |