2581191

Information

• Patent Grant
• 2581191

• References
• Source

• Patent Number

  2,581,191

• Date Filed

  Not available

• Date Issued

  Tuesday, January 1, 1952
  72 years ago

• CPC

  • F02B71/02 - Starting
  • Y10T29/46 - Burning in, wearing in, or oil burnishing

• US Classifications

  • 417 - Pumps
  • 029 - Metal working
  • 092 - Expansible chamber devices
  • 123 - Internal-combustion engines