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US2677370A Expired / Lapsed US ⏱️ 0.0 years remaining

Therapeutic inhaler

Assignee: Wyeth LLC
•
Filing: 1953-05-11
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Granted: 1954-05-04
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Expires: 1973-05-11
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Abstract

No abstract record available.

Inventors

  • 👤 George W Newton
  • 👤 Charles R Stephen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 15:05
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/10; A61M16/14; A61M16/18; A61M15/00; A61M15/0001; A61M15/0013; A61M15/0016; A61M15/0018; A61M15/002; A61M15/0065; A61M15/0066; A61M16/12; A61M16/122; A61M16/125; A61M15/0021; A61M16/06; A61M2209/00; A61M2209/08; A61M2209/088

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-05-03 1957-11-02 1958-05-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-05-03 1961-11-02 1962-05-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-05-03 1965-11-02 1966-05-04 $7700.00 Window Closed / Lapsed

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