1643491

Information

• Patent Grant
• 1643491

• References
• Source

• Patent Number

  1,643,491

• Date Filed

  Not available

• Date Issued

  Tuesday, September 27, 1927
  97 years ago

• CPC

  • F41A27/08 - Bearings
  • F41A27/14 - Central-pivot bearings

• US Classifications

  • 089 - Ordnance