1809304

Information

• Patent Grant
• 1809304

• References
• Source

• Patent Number

  1,809,304

• Date Filed

  Not available

• Date Issued

  Tuesday, June 9, 1931
  93 years ago

• CPC

  • H01J21/02 - Tubes with a single discharge path
  • H01H37/54 - wherein the bimetallic element is inherently snap acting
  • H01J19/34 - forming part of the envelope
  • H01H2037/526 - Materials for bimetals
  • H01H2037/528 - the bimetallic element being composed of more than two layers
  • H01H2037/5463 - the bimetallic snap element forming part of switched circuit
  • H01J2893/0004 - Anodes formed in central part

• US Classifications

  • 337 - Electricity: electrothermally or thermally actuated switches