2621447

Information

• Patent Grant
• 2621447

• References
• Source

• Patent Number

  2,621,447

• Date Filed

  Not available

• Date Issued

  Tuesday, December 16, 1952
  72 years ago

• CPC

  • B24B15/08 - for grinding co-operating seat surfaces by moving one over the other

• US Classifications

  • 451 - Abrading
  • 476 - Friction gear transmission systems or components