2506625

Information

• Patent Grant
• 2506625

• References
• Source

• Patent Number

  2,506,625

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1950
  74 years ago

• CPC

  • H01J40/04 - Electrodes

• US Classifications

  • 136 - Batteries: thermoelectric and photoelectric
  • 131 - Tobacco
  • 220 - Receptacles
  • 313 - Electric lamp and discharge devices