1929967

Information

• Patent Grant
• 1929967

• References
• Source

• Patent Number

  1,929,967

• Date Filed

  Not available

• Date Issued

  Tuesday, October 10, 1933
  91 years ago

• CPC

  • B24B49/12 - involving optical means
  • Y10T82/142 - with workpiece gauge
  • Y10T82/2572 - Attachment

• US Classifications

  • 451 - Abrading
  • 082 - Turning