3604937

Information

• Patent Grant
• 3604937

• References
• Source

• Patent Number

  3,604,937

• Date Filed

  Not available

• Date Issued

  Tuesday, September 14, 1971
  53 years ago

• CPC

  • B23K7/004 - Seam tracking
  • B23Q35/128 - Sensing by using optical means
  • G06K11/02 - Automatic curve followers

• US Classifications

  • 250 - Radiant energy