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US2832796A Expired / Lapsed US ⏱️ 0.0 years remaining

7-cinnamoyl-octahydrophenanthrene-1-carbonitriles

Assignee: GD Searle LLC
•
Filing: 1957-04-10
•
Granted: 1958-04-29
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Expires: 1977-04-10
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Abstract

No abstract record available.

Inventors

  • 👤 Willard M Hoehn

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 12:15
CPC Classifications
C; C07; C07C; C07C255/00; C07C255/01; C07C255/32; C07C255/40; A; A61; A61K; A61K31/00; A61K31/275; A61K31/277; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/22; C07C2603/26

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 6 words
A COMPOUND OF THE STRUCTURAL FORMULA
Claim 2
Dependent Claim 6 words
A COMPOUND OF THE STRUCTURAL FORMULA

References Cited (Backward Citations)

US2750367A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-04-28 1961-10-28 1962-04-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-04-28 1965-10-28 1966-04-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-04-28 1969-10-28 1970-04-29 $7700.00 Window Closed / Lapsed

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