1781175

Information

• Patent Grant
• 1781175

• References
• Source

• Patent Number

  1,781,175

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1930
  94 years ago

• CPC

  • F41A9/21 - in a vertical direction
  • F41A27/14 - Central-pivot bearings

• US Classifications

  • 089 - Ordnance