Patent US2508499A successfully refreshed from Google Patents.
US2508499A
Expired / Lapsed
US
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Amino cyclohexyl ethers
Assignee: GD Searle LLC
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Filing: 1947-02-01
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Granted: 1950-05-23
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Expires: 1967-02-01
Abstract
No abstract record available.
Inventors
- 👤 John W Cusic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:58
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/088
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
AMINO CYCLOHEXYL ETHERS OF THE FORMULA
Claim 2
Dependent Claim
6 words
AMINO CYCLOHEXYL ETHERS OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-22 | 1953-11-21 | 1954-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-22 | 1957-11-21 | 1958-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-22 | 1961-11-21 | 1962-05-23 | $7700.00 | Window Closed / Lapsed |