3840169

Information

• Patent Grant
• 3840169

• References
• Source

• Patent Number

  3,840,169

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1974
  50 years ago

• CPC

  • H05K13/06 - Wiring by machine
  • Y10T29/49155 - Manufacturing circuit on or in base
  • Y10T29/53017 - Web or strand-carried information supply
  • Y10T29/53087 - with signal, scale, illuminator, or optical viewer

• US Classifications

  • 228 - Metal fusion bonding
  • 029 - Metal working
  • 219 - Electric heating