1830723

Information

• Patent Grant
• 1830723

• References
• Source

• Patent Number

  1,830,723

• Date Filed

  Not available

• Date Issued

  Tuesday, November 3, 1931
  93 years ago

• CPC

  • B24B5/065 - for brake drums
  • Y10T409/305936 - including fluid drive

• US Classifications

  • 451 - Abrading
  • 125 - Stone working
  • 409 - Gear cutting, milling, or planing