Automatic transmission

• US 2,163,872 A
• Filed: 09/06/1933
• Issued: 06/27/1939
• Est. Priority Date: 09/06/1933
• Status: Expired due to Term

• Current Assignee: John J. Drabin
• Original Assignee: John J. Drabin
• Inventors: Drabin, John J.
• Application Number:
  US02/688,339
• Time in Patent Office: 2,120 Days
• US Class Current: 477/74
• CPC Class Codes: B60W 10/02 including control of driveline clutches
• CPC Class Codes: B60W 10/11 Stepped gearings
• CPC Class Codes: B60W 2540/10 Accelerator pedal position
• CPC Class Codes: B60W 2710/021 Clutch engagement state
• CPC Class Codes: B60W 30/18 Propelling the vehicle
• CPC Class Codes: Y10T 74/1926 Speed responsive

Claims