1951525

Information

• Patent Grant
• 1951525

• References
• Source

• Patent Number

  1,951,525

• Date Filed

  Not available

• Date Issued

  Tuesday, March 20, 1934
  90 years ago

• CPC

  • H03K4/88 - using as active elements electrochemical cells or galvano-magnetic or photo-electric elements

• US Classifications

  • 250 - Radiant energy
  • 315 - Electric lamp and discharge devices: systems