2491476

Information

• Patent Grant
• 2491476

• References
• Source

• Patent Number

  2,491,476

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1949
  75 years ago

• CPC

  • F41G3/16 - Sighting devices adapted for indirect laying of fire
  • F41G3/14 - Indirect aiming means
  • F41G3/18 - Auxiliary target devices adapted for indirect laying of fire

• US Classifications

  • 356 - Optics: measuring and testing
  • 089 - Ordnance