Patent US3232964A successfully refreshed from Google Patents.
US3232964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-androsten-16-ol esters
Assignee: Individual
•
Filing: 1964-02-12
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Granted: 1966-02-01
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Expires: 1984-02-12
Abstract
No abstract record available.
Inventors
- 👤 Max N Huffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:34
CPC Classifications
C; C07; C07J; C07J1/00; C07J75/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
2-ANDROSTEN-16B-OL HEMI-ESTER OF A DIBASIC ACID OF THE FORMULA HOOC(CH2)NCOOH WHEREIN N IS AN INTEGER FROM 1 TO 3, INCLUSIVE.
Claim 2
Dependent Claim
20 words
2-ANDROSTEN-16B-OL HEMI-ESTER OF A DIBASIC ACID OF THE FORMULA HOOC(CH2)NCOOH WHEREIN N IS AN INTEGER FROM 1 TO 3, INCLUSIVE.
References Cited (Backward Citations)
US3103524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |