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US2593629A Expired / Lapsed US ⏱️ 0.0 years remaining

Four-speed countershaft and planetary transmission

Assignee: Borg Warner Corp
•
Filing: 1949-09-21
•
Granted: 1952-04-22
•
Expires: 1969-09-21
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Abstract

No abstract record available.

Inventors

  • 👤 Clifford L Swift

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 12:09
CPC Classifications
F; F16; F16H; F16H37/00; F16H37/02; F16H37/04; F16H37/042; F16H37/046; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19228

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1931241A Cited
US2202378A Cited
US2113088A Cited
US2247478A Cited
US2185538A Cited
US2440589A Cited
US2238746A Cited
US2254335A Cited
US2348424A Cited
US2323340A Cited
US2485688A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-04-22 1955-10-22 1956-04-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-04-22 1959-10-22 1960-04-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-04-22 1963-10-22 1964-04-22 $7700.00 Window Closed / Lapsed

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