1651432

Information

• Patent Grant
• 1651432

• References
• Source

• Patent Number

  1,651,432

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1927
  97 years ago

• CPC

  • B24B3/22 - Relief cutting of taps or reamers

• US Classifications

  • 451 - Abrading