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US2402789A Expired / Lapsed US ⏱️ 0.0 years remaining

Power transmission

Assignee: WATERBURY TOOL CO
•
Filing: 1937-08-14
•
Granted: 1946-06-25
•
Expires: 1957-08-14
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Abstract

No abstract record available.

Inventors

  • 👤 Ralph L Tweedale

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 19:54
CPC Classifications
B; B66; B66D; B66D1/00; B66D1/28; B66D1/40; B66D1/48; B66D2700/00; B66D2700/01; B66D2700/0108

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) 1949-06-24 1949-12-24 1950-06-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1953-06-24 1953-12-24 1954-06-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1957-06-24 1957-12-24 1958-06-25 $7700.00 Window Closed / Lapsed

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