1452446

Information

• Patent Grant
• 1452446

• References
• Source

• Patent Number

  1,452,446

• Date Filed

  Not available

• Date Issued

  Tuesday, April 17, 1923
  101 years ago

• CPC

  • F02B79/00 - Running-in of internal-combustion engines
  • B25H1/0007 - for engines, motor-vehicles or bicycles
  • Y10T29/46 - Burning in, wearing in, or oil burnishing

• US Classifications

  • 029 - Metal working