2019652

Information

• Patent Grant
• 2019652

• References
• Source

• Patent Number

  2,019,652

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1935
  89 years ago

• CPC

  • F41F3/06 - from aircraft
  • F41A19/58 - Electric firing mechanisms
  • F42B4/28 - Parachute flares
  • F42B5/08 - modified for electric ignition
  • G09F21/16 - Sky-writing

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 089 - Ordnance
  • 102 - Ammunition and explosives