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US2988480A Expired / Lapsed US ⏱️ 0.0 years remaining

Therapeutically active compositions

Assignee: Merck and Co Inc
•
Filing: 1952-10-21
•
Granted: 1961-06-13
•
Expires: 1972-10-21
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Abstract

No abstract record available.

Inventors

  • 👤 Ashton C Cuckler

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 05:00
CPC Classifications
A; A61; A61K; A61K31/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 14 words
A THERAPEUTICALLY ACTIVE COMPOSITION FOR TOPICAL APPLICATION COMPRISING A TRICHOMONADICIDAL COMPOUND OF THE FORMULA
Claim 2
Dependent Claim 14 words
A THERAPEUTICALLY ACTIVE COMPOSITION FOR TOPICAL APPLICATION COMPRISING A TRICHOMONADICIDAL COMPOUND OF THE FORMULA

References Cited (Backward Citations)

US2511838A Cited
US2484035A Cited
US2531756A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-06-12 1964-12-12 1965-06-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-06-12 1968-12-12 1969-06-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-06-12 1972-12-12 1973-06-13 $7700.00 Window Closed / Lapsed

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