1730290

Information

• Patent Grant
• 1730290

• References
• Source

• Patent Number

  1,730,290

• Date Filed

  Not available

• Date Issued

  Tuesday, October 1, 1929
  95 years ago

• CPC

  • F41G3/18 - Auxiliary target devices adapted for indirect laying of fire

• US Classifications

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