1778657

Information

• Patent Grant
• 1778657

• References
• Source

• Patent Number

  1,778,657

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1930
  94 years ago

• CPC

  • H01J13/26 - Seals between parts of vessels Seals for leading-in conductors Leading-in conductors

• US Classifications

  • 277 - Seal for a joint or juncture
  • 174 - Electricity: conductors and insulators
  • 220 - Receptacles
  • 285 - Pipe joints or couplings