US2707184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbonyloxy steroids
Assignee: Pharmacia and Upjohn Co
•
Filing: 1953-03-30
•
Granted: 1955-04-26
•
Expires: 1973-03-30
Abstract
No abstract record available.
Inventors
- 👤 John A Hogg
- 👤 Philip F Beal
- 👤 Jr Frank H Lincoln
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:10
CPC Classifications
C; C07; C07J; C07J21/00; C07J75/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A COMPOUND REPRESENTED BY TE FOLLOWING FORMULA:
Claim 2
Dependent Claim
7 words
A COMPOUND REPRESENTED BY TE 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) | 1958-04-25 | 1958-10-25 | 1959-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-25 | 1962-10-25 | 1963-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-25 | 1966-10-25 | 1967-04-26 | $7700.00 | Window Closed / Lapsed |