2212993

Information

• Patent Grant
• 2212993

• References
• Source

• Patent Number

  2,212,993

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1940
  84 years ago

• CPC

  • F16H31/006 - with friction means
  • Y10T74/19195 - Progressive

• US Classifications

  • 074 - Machine element or mechanism
  • 192 - Clutches and power-stop control
  • 470 - Threaded, headed fastener, or washer making: process and apparatus