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US3206470A Expired / Lapsed US ⏱️ 0.0 years remaining

Novel pyrrolo[1, 2-alpha]indoles

Assignee: Wyeth Holdings LLC
•
Filing: 1962-06-07
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Granted: 1965-09-14
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Expires: 1982-06-07
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Abstract

No abstract record available.

Inventors

  • 👤 Jr George Rodger Allen
  • 👤 Poletto John Frank
  • 👤 Remers William Alan
  • 👤 Weiss Martin Joseph
  • 👤 Webb John Schurr

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 11:59
CPC Classifications
C; C07; C07D; C07D487/00; C07D487/02; C07D487/04; A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/40

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 5 words
A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim 5 words
A COMPOUND OF THE FORMULA:
Claim 3
Dependent Claim 5 words
A COMPOUND OF THE FORMULA:
Claim 4
Dependent Claim 5 words
A COMPOUND OF THE FORMULA:

References Cited (Backward Citations)

US2707187A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-09-13 1969-03-15 1969-09-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-09-13 1973-03-15 1973-09-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-09-13 1977-03-15 1977-09-14 $7700.00 Window Closed / Lapsed

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