US2806047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lower alkyl esters of delta7, 6-ketooctenoic acid and method of preparing the same
Assignee: Wyeth Holdings LLC
•
Filing: 1953-10-19
•
Granted: 1957-09-10
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Expires: 1973-10-19
Abstract
No abstract record available.
Inventors
- 👤 Milon W Bullock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:54
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/66; C07C69/73; C07C69/738
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |