Patent US3061616A successfully refreshed from Google Patents.
US3061616A
Expired / Lapsed
US
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Steroids, 6-methyl-17-hydroxy-progesterone and esters thereof, and a process for their preparation
Assignee: Pfizer Italia SRL
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Filing: 1958-09-17
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Granted: 1962-10-30
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Expires: 1978-09-17
Abstract
No abstract record available.
Inventors
- 👤 Camerino Bruno
- 👤 Modelli Renato
- 👤 Patelli Bianca
- 👤 Sala Giovanni
- 👤 Baldratti Giuliana
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:30
CPC Classifications
C; C07; C07J; C07J5/00; C07J75/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A PROCESS FOR MAKING COMPOUNDS OF THE FORMULA
Claim 2
Dependent Claim
8 words
A PROCESS FOR MAKING COMPOUNDS OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |