1819154

Information

• Patent Grant
• 1819154

• References
• Source

• Patent Number

  1,819,154

• Date Filed

  Not available

• Date Issued

  Tuesday, August 18, 1931
  94 years ago

• CPC

  • H01H33/66238 - Specific bellows details
  • H01J17/24 - Means for absorbing or adsorbing gas
  • H01J41/12 - Discharge tubes for evacuating by diffusion of ions

• US Classifications

  • 218 - High-voltage switches with arc preventing or extinguishing devices