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US645810A Expired / Lapsed US ⏱️ 0.0 years remaining

Adjustable brake-beam.

Assignee: Individual
•
Filing: 1899-09-07
•
Granted: 1900-03-20
•
Expires: 1919-09-07
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Abstract

No abstract record available.

Inventors

  • 👤 John F Hennessy

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 21:57
CPC Classifications
F; F16; F16G; F16G11/00; F16G11/12; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/94; Y10T; Y10T403/00; Y10T403/29; Y10T403/295

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) 1903-03-20 1903-09-19 1904-03-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1907-03-20 1907-09-19 1908-03-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1911-03-20 1911-09-19 1912-03-20 $7700.00 Window Closed / Lapsed

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