2138345

Information

• Patent Grant
• 2138345

• References
• Source

• Patent Number

  2,138,345

• Date Filed

  Not available

• Date Issued

  Tuesday, November 29, 1938
  86 years ago

• CPC

  • G04B3/02 - Removably-mounted keys or the like

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 968 - Horology