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US3039320A Expired / Lapsed US ⏱️ 0.0 years remaining

Device for changing speed in gear-boxes

Assignee: Individual
•
Filing: 1958-05-20
•
Granted: 1962-06-19
•
Expires: 1978-05-20
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Abstract

No abstract record available.

Inventors

  • 👤 Zens Pierre Marie Felix
  • 👤 Honnore Michel Albert Jules

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 16:38
CPC Classifications
B; B60; B60W; B60W30/00; B60W30/18; B60W10/00; B60W10/02; B60W10/04; B60W10/06; B60W10/10; B60W2710/00; B60W2710/02; B60W2710/021; B60W2710/06; B60W2710/0644; B60W2710/065; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19242; Y10T74/19247; Y10T74/19251; Y10T74/19256; Y10T74/1926; Y10T74/19265; Y10T74/19284; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428; Y10T74/19433

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2121157A Cited
US2035678A Cited
US2519794A Cited
US2491087A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-06-18 1965-12-18 1966-06-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-06-18 1969-12-18 1970-06-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-06-18 1973-12-18 1974-06-19 $7700.00 Window Closed / Lapsed

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