2252074

Information

• Patent Grant
• 2252074

• References
• Source

• Patent Number

  2,252,074

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1941
  83 years ago

• CPC

  • G09F23/16 - on clocks
  • G06G1/00 - Hand manipulated computing devices

• US Classifications

  • 368 - Horology: time measuring systems or devices