3640257

Information

• Patent Grant
• 3640257

• References
• Source

• Patent Number

  3,640,257

• Date Filed

  Not available

• Date Issued

  Tuesday, February 8, 1972
  52 years ago

• CPC

  • F02M33/08 - returning to the fuel tank
  • Y10S123/02 - Accumulated fuel return to tank or engine-induction system

• US Classifications

  • 123 - Internal-combustion engines