Patent US3701623A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3701623A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatic speed change device for vehicles

Assignee: Nissan Motor Co Ltd
•
Filing: 1969-05-02
•
Granted: 1972-10-31
•
Expires: 1989-05-02
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A speed change device for vehicles comprising a torque converter connected to an engine crankshaft, a clutch means, a planetary gear assembly means selectively connectable to said torque converter through said clutch means, a brake and one-way brake means selectively engageable with said planetary gear assembly means, an output gear located at a point corresponding to the longitudinal middle point of said crankshaft, wherein axes of said clutch means, said planetary gear assembly means, said brake and one-way brake means, and said output gear are in alignment with a common axis which is parallel with the axis of said crankshaft.

Inventors

  • 👤 Yoichi Mori
  • 👤 Nagayuki Marumo
  • 👤 Noburu Fukazawa
  • 👤 Koichi Ohie

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 12:51
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/04; B60K17/06; F; F16; F16H; F16H3/00; F16H3/44; F16H3/62; F16H3/66; F16H3/663; F16H47/00; F16H47/06; F16H47/08; F16H2200/00; F16H2200/20; F16H2200/2002; F16H2200/2005; F16H2200/202; F16H2200/2023

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

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) 1975-10-31 1976-05-01 1976-10-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-10-31 1980-05-01 1980-10-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-10-31 1984-05-01 1984-10-31 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag