2622948

Information

• Patent Grant
• 2622948

• References
• Source

• Patent Number

  2,622,948

• Date Filed

  Not available

• Date Issued

  Tuesday, December 23, 1952
  72 years ago

• CPC

  • G04B31/0123 - with metallic ball bearings and metallic roller bearings

• US Classifications

  • 384 - Bearings
  • 968 - Horology