US3499081A
Expired / Lapsed
US
⏱️ 0.0 years remaining
9-chloroprogestational agents
Assignee: ER Squibb and Sons LLC
•
Filing: 1966-12-21
•
Granted: 1970-03-03
•
Expires: 1986-12-21
Abstract
No abstract record available.
Inventors
- 👤 Gerald W Krakower
- 👤 Patrick A Diassi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:02
CPC Classifications
C; C07; C07J; C07J71/00; C07J5/00; C07J7/00; C07J75/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2852511A
Cited
US2963498A
Cited
US2992244A
Cited
US3152154A
Cited
US3082220A
Cited
GB1043347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |