US3346602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
13beta-alkyl-11-alkylgona-1, 3, 5 (10)-trien-17-ones, ethers and esters thereof
Assignee: GD Searle LLC
•
Filing: 1967-01-12
•
Granted: 1967-10-10
•
Expires: 1987-01-12
Abstract
No abstract record available.
Inventors
- 👤 John S Baran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:18
CPC Classifications
C; C07; C07J; C07J1/00; C07J75/00
Claims Analysis
Total Claims: 3
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
9 words
AS IN CLAIM 1, THE COMPOUND WHICH IS 3-METHOXY11A-METHYLESTRA-1,3,5(10)-TRIEN-17-ONE.
References Cited (Backward Citations)
US3207753A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |