2977858

Information

• Patent Grant
• 2977858

• References
• Source

• Patent Number

  2,977,858

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1961
  63 years ago

• CPC

  • F41G1/50 - for trench mortars or for other mortars
  • F41G1/30 - Reflecting-sights specially adapted for smallarms or ordnance
  • F41G3/14 - Indirect aiming means
  • F41G3/18 - Auxiliary target devices adapted for indirect laying of fire

• US Classifications

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