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US1925177A Expired / Lapsed US ⏱️ 0.0 years remaining

Brake drum truing machine

Assignee: Individual
•
Filing: 1931-11-18
•
Granted: 1933-09-05
•
Expires: 1951-11-18
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Abstract

No abstract record available.

Inventors

  • 👤 George A Delf

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 09:31
CPC Classifications
B; B23; B23B; B23B5/00; B23B5/02; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/304536; Y10T409/305488; Y10T82/00; Y10T82/21; Y10T82/25; Y10T82/2529; Y10T82/2572; Y10T82/2574

Claims Analysis

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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) 1936-09-04 1937-03-06 1937-09-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1940-09-04 1941-03-06 1941-09-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1944-09-04 1945-03-06 1945-09-05 $7700.00 Window Closed / Lapsed

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