1667879

Information

• Patent Grant
• 1667879

• References
• Source

• Patent Number

  1,667,879

• Date Filed

  Not available

• Date Issued

  Tuesday, May 1, 1928
  96 years ago

• CPC

  • H05B3/52 - Apparatus or processes for filling or compressing insulating material in tubes
  • Y10T29/49094 - by oxidation

• US Classifications

  • 029 - Metal working
  • 219 - Electric heating
  • 338 - Electrical resistors