Patent US3150184A successfully refreshed from Google Patents.
US3150184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
17alpha-amino-d-homoandrost-4-ene-3, 17-dione compounds
Assignee: Parke Davis and Co LLC
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Filing: 1962-11-23
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Granted: 1964-09-22
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Expires: 1982-11-23
Abstract
No abstract record available.
Inventors
- 👤 George W Moersch
- 👤 Duane F Morrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:53
CPC Classifications
C; C07; C07J; C07J63/00; C07J63/008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A MEMBER OF THE CLASS CONSISTING OF D-HOMOANDROST4-ENE-3,17-DIONE COMPOUNDS, HAVING THE FORMULA
Claim 2
Dependent Claim
12 words
A MEMBER OF THE CLASS CONSISTING OF D-HOMOANDROST4-ENE-3,17-DIONE COMPOUNDS, HAVING 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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |