Patent US3090792A successfully refreshed from Google Patents.
US3090792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
16, 17-secoestratrienes and d-homo steroids derived therefrom
Assignee: GD Searle LLC
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Filing: 1960-08-08
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Granted: 1963-05-21
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Expires: 1980-08-08
Abstract
No abstract record available.
Inventors
- 👤 David A Tyner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:12
CPC Classifications
C; C07; C07J; C07J71/00; C07J71/0005; C07J71/001; C07J63/00; C07J63/008
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 4
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 5
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 6
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US2275752A
Cited
US2648679A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |