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US3733407A Expired / Lapsed US ⏱️ 0.0 years remaining

Menopause treatment

Assignee: Syntex Pharmaceuticals International Ltd
•
Filing: 1971-08-25
•
Granted: 1973-05-15
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Expires: 1991-08-25
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Abstract

Abstract A METHOD FOR RELIEVING OR PREVENTING MENOPAUSAL SYMPTOMS BY USE OF A GRADED SEQUENTIAL ESTROGEN-PROGESTOGEN REGIMEN.

Inventors

  • 👤 E Segre

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 01:49
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/56; A61K31/565; A61K31/567; A61K31/568; A61K31/569

Claims Analysis

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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-05-14 1976-11-13 1977-05-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-05-14 1980-11-13 1981-05-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-05-14 1984-11-13 1985-05-15 $7700.00 Window Closed / Lapsed

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