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US3067197A Expired / Lapsed US ⏱️ 0.0 years remaining

11-oxygenated 6alpha-fluoro-16-methylene-delta-pregnenes and derivatives

Assignee: Pfizer Inc
•
Filing: 1961-04-26
•
Granted: 1962-12-04
•
Expires: 1981-04-26
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Abstract

No abstract record available.

Inventors

  • 👤 Eugene J Agnello
  • 👤 Gerald D Laubach
  • 👤 Walter T Moreland

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 12:40
CPC Classifications
C; C07; C07J; C07J71/00; C07J31/00; C07J5/00; C07J75/00

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING THE FORMULAS
Claim 2
Dependent Claim 12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING THE FORMULAS
Claim 3
Dependent Claim 12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THOSE HAVING THE FORMULA
Claim 4
Dependent Claim 12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THOSE HAVING THE FORMULA

References Cited (Backward Citations)

US2659743A Cited
US2658023A Cited
US2892850A Cited
US2867635A Cited

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

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