2190528

Information

• Patent Grant
• 2190528

• References
• Source

• Patent Number

  2,190,528

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1940
  85 years ago

• CPC

  • H01K3/26 - Closing of vessels
  • G03B21/2093 - Details of lamp houses not provided in groups G03B21/2006 - G03B21/2086
  • H01K1/40 - Leading-in conductors

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 174 - Electricity: conductors and insulators
  • 220 - Receptacles
  • 362 - Illumination