US3065239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel 16-halomethyl steroids and processes
Assignee: Merck and Co Inc
•
Filing: 1960-07-06
•
Granted: 1962-11-20
•
Expires: 1980-07-06
Abstract
No abstract record available.
Inventors
- 👤 Norman L Wendler
- 👤 Taub David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:29
CPC Classifications
C; C07; C07J; C07J71/00; C07J5/00; C07J75/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
4 words
COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
4 words
COMPOUND OF THE FORMULA:
Claim 3
Dependent Claim
8 words
THE PROCESS OF PRODUCING COMPOUNDS OF THE STRUCTURE:
Claim 4
Dependent Claim
8 words
THE PROCESS OF PRODUCING COMPOUNDS OF THE STRUCTURE:
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) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |