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US1359989A Expired / Lapsed US ⏱️ 0.0 years remaining

Coupling

Assignee: H W Caldwell & Son Co
•
Filing: 1919-07-10
•
Granted: 1920-11-23
•
Expires: 1939-07-10
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph L Hiegel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 12:15
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/02; F16D1/04; Y; Y10; Y10T; Y10T403/00; Y10T403/53; Y10T403/535; Y10T403/55

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) 1923-11-23 1924-05-24 1924-11-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1927-11-23 1928-05-24 1928-11-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1931-11-23 1932-05-24 1932-11-23 $7700.00 Window Closed / Lapsed

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