US3198792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
10alpha methyl, 9beta hormonal steroids
Assignee: US Philips Corp
•
Filing: 1962-06-12
•
Granted: 1965-08-03
•
Expires: 1982-06-12
Abstract
No abstract record available.
Inventors
- 👤 Reerink Engbert Harmen
- 👤 Westerhof Pieter
- 👤 Scholer Hendrik Frederik Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:39
CPC Classifications
C; C07; C07J; C07J5/00; C07J75/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A 10A-METHYL, 9B,8B,13B,14A HORMONAL STEROID OF THE PREGNANE SERIES HAVING MORE THAN 19 CARBON ATOMS IN THE MOLECULE, WHEREIN THE C17 CARBON ATOM OF THE STEROID NUCLEUS TOGETHER WITH ITS SUBSTITUENTS FROMS THE GROUP
Claim 2
Dependent Claim
34 words
A 10A-METHYL, 9B,8B,13B,14A HORMONAL STEROID OF THE PREGNANE SERIES HAVING MORE THAN 19 CARBON ATOMS IN THE MOLECULE, WHEREIN THE C17 CARBON ATOM OF THE STEROID NUCLEUS TOGETHER WITH ITS SUBSTITUENTS FROMS THE GROUP
References Cited (Backward Citations)
US2900382A
Cited
US2880214A
Cited
GB794392A
Cited
US2992216A
Cited
US2962510A
Cited
US3036096A
Cited
US2916486A
Cited
US2883379A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |