1936449

Information

• Patent Grant
• 1936449

• References
• Source

• Patent Number

  1,936,449

• Date Filed

  Not available

• Date Issued

  Tuesday, November 21, 1933
  91 years ago

• CPC

  • B24B27/027 - having a flexible shaft

• US Classifications

  • 451 - Abrading
  • 299 - Mining or in situ disintegration of hard material