2957521

Information

• Patent Grant
• 2957521

• References
• Source

• Patent Number

  2,957,521

• Date Filed

  Not available

• Date Issued

  Tuesday, October 25, 1960
  64 years ago

• CPC

  • E06B9/74 - adapted for selective electrical or manual operation
  • Y10T74/2186 - Gear casings
  • Y10T477/363 - Electrically actuated brake

• US Classifications

  • 160 - Flexible or portable closure, partition, or panel
  • 074 - Machine element or mechanism
  • 192 - Clutches and power-stop control
  • 477 - Interrelated power delivery controls, including engine control