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US1879482A Expired / Lapsed US ⏱️ 0.0 years remaining

Valve lock

Assignee: Individual
•
Filing: 1931-08-12
•
Granted: 1932-09-27
•
Expires: 1951-08-12
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Abstract

No abstract record available.

Inventors

  • 👤 Harry L Quintenz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 12:16
CPC Classifications
B; B60; B60K; B60K15/00; B60K15/03; Y; Y10; Y10T; Y10T137/00; Y10T137/7069; Y10T137/7256; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5615; Y10T70/5619; Y10T70/5757; Y10T70/5765; Y10T70/577; Y10T70/5889; Y10T70/5912

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) 1935-09-27 1936-03-28 1936-09-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1939-09-27 1940-03-28 1940-09-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1943-09-27 1944-03-28 1944-09-27 $7700.00 Window Closed / Lapsed

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