Patent US2759014A successfully refreshed from Google Patents.
US2759014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Derivatives of 9-oxo-octahydrophenan-threne-1-carboxylic acid
Assignee: GD Searle LLC
•
Filing: 1953-04-06
•
Granted: 1956-08-14
•
Expires: 1973-04-06
Abstract
No abstract record available.
Inventors
- 👤 Jr Roy H Bible
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:32
CPC Classifications
C; C07; C07C; C07C62/00; C07C62/30; C07C62/38; C07C41/00; C07C41/01; C07C41/18; C07C41/26; C07C51/00; C07C51/347; C07C51/367; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/22; C07C2603/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A COMPOUND OF THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
6 words
A COMPOUND OF THE STRUCTURAL FORMULA
References Cited (Backward Citations)
US2656345A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-14 | 1960-02-13 | 1960-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-14 | 1964-02-13 | 1964-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-14 | 1968-02-13 | 1968-08-14 | $7700.00 | Window Closed / Lapsed |