2587615

Information

• Patent Grant
• 2587615

• References
• Source

• Patent Number

  2,587,615

• Date Filed

  Not available

• Date Issued

  Tuesday, March 4, 1952
  72 years ago

• CPC

  • G09B29/14 - Local time charts
  • G04B19/223 - with rotary disc, rotary bezel, or rotary dial

• US Classifications

  • 434 - Education and demonstration
  • 968 - Horology