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US1885894A Expired / Lapsed US ⏱️ 0.0 years remaining

Drain cup for air brakes

Assignee: New York Air Brake LLC
•
Filing: 1930-10-17
•
Granted: 1932-11-01
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Expires: 1950-10-17
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Abstract

No abstract record available.

Inventors

  • 👤 Charles A Campbell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 06:16
CPC Classifications
B; B60; B60T; B60T17/00; B60T17/002; B60T17/004; F; F16; F16K; F16K15/00; F16K15/02; F16K15/03; F16K15/033; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3102; Y10T137/7722; Y10T137/7837; Y10T137/7898; Y10T137/7901; Y10T137/794; Y10T137/8013

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) 1935-11-01 1936-05-02 1936-11-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1939-11-01 1940-05-02 1940-11-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1943-11-01 1944-05-02 1944-11-01 $7700.00 Window Closed / Lapsed

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