Patent US3236880A successfully refreshed from Google Patents.
US3236880A
Expired / Lapsed
US
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9alpha-halo-a-norandrost-3-ene-2, 11, 17-triones and 9alpha-halo-11-oxo or beta-hydroxy-a-nortestosterones and acylderivatives
Assignee: Olin Corp
•
Filing: 1964-01-21
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Granted: 1966-02-22
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Expires: 1984-01-21
Abstract
No abstract record available.
Inventors
- 👤 Berk Bernard
- 👤 Becker Edward Joseph
- 👤 Robert S Robison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:32
CPC Classifications
C; C07; C07J; C07J61/00; C07J75/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US3110733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |