Patent US3067216A successfully refreshed from Google Patents.
US3067216A
Expired / Lapsed
US
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4, 4-dialkyl and 4, 4-diaralkyl-17alpha-alkenyl-17beta-hydroxy-androstanes
Assignee: Roche Palo Alto LLC
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Filing: 1960-06-30
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Granted: 1962-12-04
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Expires: 1980-06-30
Abstract
No abstract record available.
Inventors
- 👤 Batres Enrique
- 👤 Howard J Ringold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:27
CPC Classifications
C; C07; C07J; C07J1/00; C07J75/00
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
6 words
A COMPOUND OF THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
6 words
A COMPOUND OF THE FOLLOWING FORMULA:
Claim 3
Dependent Claim
6 words
A COMPOUND OF THE FOLLOWING FORMUALA:
Claim 4
Dependent Claim
6 words
A COMPOUND OF THE FOLLOWING FORMUALA:
Claim 5
Dependent Claim
6 words
A COMPOUND OF THE FOLLOWING FORMULA:
Claim 6
Dependent Claim
6 words
A COMPOUND OF THE FOLLOWING FORMULA:
Claim 7
Dependent Claim
6 words
A COMPOUND OF THE FOLLOWING FORMULA:
Claim 8
Dependent Claim
6 words
A COMPOUND OF THE FOLLOWING 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) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |