1578662

Information

• Patent Grant
• 1578662

• References
• Source

• Patent Number

  1,578,662

• Date Filed

  Not available

• Date Issued

  Tuesday, March 30, 1926
  98 years ago

• CPC

  • F27D11/02 - Ohmic resistance heating
  • H01J19/70 - Means for obtaining or maintaining the vacuum

• US Classifications

  • 219 - Electric heating
  • 392 - Electric resistance heating devices