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US2427653A Expired / Lapsed US ⏱️ 0.0 years remaining

Change-speed transmission

Assignee: New Products Corp
•
Filing: 1944-04-14
•
Granted: 1947-09-23
•
Expires: 1964-04-14
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Abstract

No abstract record available.

Inventors

  • 👤 Oscar H Banker

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 22:22
CPC Classifications
F; F16; F16D; F16D67/00; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19251; Y10T74/19256; Y10T74/1926; Y10T74/19265; Y10T74/19284; Y10T74/19377; Y10T74/19386; Y10T74/194; Y10T74/19405; Y10T74/19414; Y10T74/19419; Y10T74/19442; Y10T74/19447; Y10T74/19451; Y10T74/19465

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2086600A Cited
US2166357A Cited
US2225174A Cited
US2247478A Cited
US2245017A Cited
US2224322A Cited
US2353137A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1950-09-22 1951-03-24 1951-09-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1954-09-22 1955-03-24 1955-09-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1958-09-22 1959-03-24 1959-09-23 $7700.00 Window Closed / Lapsed

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