1809089

Information

• Patent Grant
• 1809089

• References
• Source

• Patent Number

  1,809,089

• Date Filed

  Not available

• Date Issued

  Tuesday, June 9, 1931
  94 years ago

• CPC

  • H05B3/48 - heating conductor embedded in insulating material
  • Y10T29/49089 - Filling with powdered insulation
  • Y10T29/49092 - Powdering the insulation
  • Y10T29/49096 - with winding

• US Classifications

  • 029 - Metal working
  • 053 - Package making
  • 338 - Electrical resistors