3497694

Information

• Patent Grant
• 3497694

• References
• Source

• Patent Number

  3,497,694

• Date Filed

  Not available

• Date Issued

  Tuesday, February 24, 1970
  55 years ago

• CPC

  • B23Q35/40 - involving optical or photoelectrical systems
  • G01N21/474 - Details of optical heads therefor
  • G06K11/02 - Automatic curve followers

• US Classifications

  • 250 - Radiant energy