1757605

Information

• Patent Grant
• 1757605

• References
• Source

• Patent Number

  1,757,605

• Date Filed

  Not available

• Date Issued

  Tuesday, May 6, 1930
  94 years ago

• CPC

  • H01J13/50 - Tubes having a single main anode
  • H01J13/12 - Positioning or moving the cathode spot on the surface of the pool
  • H01J13/56 - Tubes having two or more main anodes
  • H01J2893/0088 - Tubes with at least a solid principal cathode and solid anodes

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 220 - Receptacles