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US3120564A Expired / Lapsed US ⏱️ 0.0 years remaining

Alkenoylamino benzophenones

Assignee: Wyeth Holdings LLC
•
Filing: 1960-01-13
•
Granted: 1964-02-04
•
Expires: 1980-01-13
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Abstract

No abstract record available.

Inventors

  • 👤 Jerry P Milionis
  • 👤 Ralph A Coleman
  • 👤 Frank J Arthen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 23:21
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/02; C08F20/52; C08F20/54; C08F20/58

Claims Analysis

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

References Cited (Backward Citations)

US2384811A Cited
US2609353A Cited
US2773899A Cited
US2894932A Cited
US2938883A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-02-03 1967-08-05 1968-02-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-02-03 1971-08-05 1972-02-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-02-03 1975-08-05 1976-02-04 $7700.00 Window Closed / Lapsed

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