3493763

Information

• Patent Grant
• 3493763

• References
• Source

• Patent Number

  3,493,763

• Date Filed

  Not available

• Date Issued

  Tuesday, February 3, 1970
  55 years ago

• CPC

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

• US Classifications

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