1597504

Information

• Patent Grant
• 1597504

• References
• Source

• Patent Number

  1,597,504

• Date Filed

  Not available

• Date Issued

  Tuesday, August 24, 1926
  98 years ago

• CPC

  • G21G4/10 - with radium emanation

• US Classifications

  • 252 - Compositions
  • 250 - Radiant energy