3787657

Information

• Patent Grant
• 3787657

• References
• Source

• Patent Number

  3,787,657

• Date Filed

  Not available

• Date Issued

  Tuesday, January 22, 1974
  50 years ago

• CPC

  • B23K9/10 - Other electric circuits therefor Protective circuits Remote controls
  • B21D47/00 - Making rigid structural elements or units
  • B23K9/1675 - making use of several electrodes
  • B23K2201/045 - Hollow panels

• US Classifications

  • 219 - Electric heating