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US2112146A Expired / Lapsed US ⏱️ 0.0 years remaining

Coupling for hydraulic brakes

Assignee: Individual
•
Filing: 1937-02-08
•
Granted: 1938-03-22
•
Expires: 1957-02-08
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Abstract

No abstract record available.

Inventors

  • 👤 Giovanni Onofrio P Di

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 17:27
CPC Classifications
B; B60; B60T; B60T17/00; B60T17/04; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87056; Y10T137/87571; Y10T137/87676; Y10T137/87684; Y10T137/87692; Y10T137/877; Y10T137/87708; Y10T137/8774; Y10T137/87917; Y10T137/87925

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) 1941-03-21 1941-09-20 1942-03-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1945-03-21 1945-09-20 1946-03-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1949-03-21 1949-09-20 1950-03-22 $7700.00 Window Closed / Lapsed

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