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US1327031A Expired / Lapsed US ⏱️ 0.0 years remaining

Train-pipe coupling

Assignee: ALBERT D DENIS
•
Filing: 1918-06-29
•
Granted: 1920-01-06
•
Expires: 1938-06-29
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Abstract

No abstract record available.

Inventors

  • 👤 John B Genin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 05:56
CPC Classifications
B; B61; B61G; B61G5/00; B61G5/06; B61G5/08; B60; B60D; B60D1/00; B60D1/58; B60D1/62; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6855; Y10T137/6866; Y10T137/6873; Y10T137/8593; Y10T137/87153; Y10T137/87161

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) 1923-01-05 1923-07-07 1924-01-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1927-01-05 1927-07-07 1928-01-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1931-01-05 1931-07-07 1932-01-06 $7700.00 Window Closed / Lapsed

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