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US1807509A Expired / Lapsed US ⏱️ 0.0 years remaining

Valve stem split lock catcher

Assignee: Individual
•
Filing: 1930-03-11
•
Granted: 1931-05-26
•
Expires: 1950-03-11
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Abstract

No abstract record available.

Inventors

  • 👤 Ira J Clark

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 22:59
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/14; B25B27/24; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53796; Y10T29/53817

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) 1934-05-25 1934-11-24 1935-05-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1938-05-25 1938-11-24 1939-05-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1942-05-25 1942-11-24 1943-05-26 $7700.00 Window Closed / Lapsed

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