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US2931178A Expired / Lapsed US ⏱️ 0.0 years remaining

Safety attachment for fluid pressure operated brake system

Assignee: COLE LEWIS REESE
•
Filing: 1956-04-24
•
Granted: 1960-04-05
•
Expires: 1976-04-24
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Abstract

No abstract record available.

Inventors

  • 👤 Straus Louis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 20:58
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/28; B60T11/32; B60T11/323; B60T17/00; B60T17/18; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7723; Y10T137/7726; Y10T137/7727

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2055182A Cited
US1952557A Cited
US2128853A Cited
US2239348A Cited
US2254990A Cited
FR980127A Cited
US2782600A Cited
US2746252A Cited
US2745252A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-04-05 1963-10-05 1964-04-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-04-05 1967-10-05 1968-04-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-04-05 1971-10-05 1972-04-05 $7700.00 Window Closed / Lapsed

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