2442920

Information

• Patent Grant
• 2442920

• References
• Source

• Patent Number

  2,442,920

• Date Filed

  Not available

• Date Issued

  Tuesday, June 8, 1948
  76 years ago

• CPC

  • G04D1/10 - Devices for opening or closing watch bottoms or covers

• US Classifications

  • 081 - Tools
  • 968 - Horology