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US2222007A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Individual
•
Filing: 1938-12-02
•
Granted: 1940-11-19
•
Expires: 1958-12-02
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Abstract

No abstract record available.

Inventors

  • 👤 Harry R Valley

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 18:11
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/02; H01H19/10; H01H19/14; H01H19/18; H01H9/00; H01H9/16; H01H9/165

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1943-11-19 1944-05-20 1944-11-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1947-11-19 1948-05-20 1948-11-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1951-11-19 1952-05-20 1952-11-19 $7700.00 Window Closed / Lapsed

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