3431419

Information

• Patent Grant
• 3431419

• References
• Source

• Patent Number

  3,431,419

• Date Filed

  Not available

• Date Issued

  Tuesday, March 4, 1969
  55 years ago

• CPC

  • B23Q35/128 - Sensing by using optical means
  • B23K7/004 - Seam tracking

• US Classifications

  • 250 - Radiant energy
  • 315 - Electric lamp and discharge devices: systems