2004680

Information

• Patent Grant
• 2004680

• References
• Source

• Patent Number

  2,004,680

• Date Filed

  Not available

• Date Issued

  Tuesday, June 11, 1935
  89 years ago

• CPC

  • A61N5/06 - using light
  • H05B31/065 - for flame arc lamps

• US Classifications

  • 250 - Radiant energy
  • 313 - Electric lamp and discharge devices