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US3272824A Expired / Lapsed US ⏱️ 0.0 years remaining

4-amino-6, 7-di(lower) alkoxyquinolines

Assignee: Warner Chilcott Pharmaceuticals Inc
•
Filing: 1962-12-06
•
Granted: 1966-09-13
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Expires: 1982-12-06
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Abstract

No abstract record available.

Inventors

  • 👤 Ebetino Frank Frederick
  • 👤 Wright George Carlin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 17:28
CPC Classifications
C; C07; C07D; C07D413/00; C07D413/02; C07D413/04; C07D215/00; C07D215/02; C07D215/16; C07D215/38; C07D215/42

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 12 words
A MEMBER OF THE GROUP CONSISTING OF A BASE OF THE FORMULA:
Claim 2
Dependent Claim 12 words
A MEMBER OF THE GROUP CONSISTING OF A BASE OF THE FORMULA:

References Cited (Backward Citations)

US2555943A Cited
US2940976A Cited
US2940974A Cited
US3002001A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-09-12 1970-03-14 1970-09-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-09-12 1974-03-14 1974-09-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-09-12 1978-03-14 1978-09-13 $7700.00 Window Closed / Lapsed

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