2153870

Information

• Patent Grant
• 2153870

• References
• Source

• Patent Number

  2,153,870

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1939
  86 years ago

• CPC

  • F01B9/08 - with ratchet and pawl
  • Y10T74/1527 - Screw and nut devices

• US Classifications

  • 074 - Machine element or mechanism
  • 092 - Expansible chamber devices
  • 123 - Internal-combustion engines