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US894500A Expired / Lapsed US ⏱️ 0.0 years remaining

Shaft-coupling.

Assignee: Individual
•
Filing: 1907-05-10
•
Granted: 1908-07-28
•
Expires: 1927-05-10
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Abstract

No abstract record available.

Inventors

  • 👤 Alfred Hitchon

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 01:45
CPC Classifications
B; B60; B60B; B60B17/00; F; F16; F16N; F16N9/00; F16N9/02; Y; Y10; Y10T; Y10T403/00; Y10T403/66

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) 1911-07-28 1912-01-27 1912-07-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1915-07-28 1916-01-27 1916-07-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1919-07-28 1920-01-27 1920-07-28 $7700.00 Window Closed / Lapsed

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