2677228

Information

• Patent Grant
• 2677228

• References
• Source

• Patent Number

  2,677,228

• Date Filed

  Not available

• Date Issued

  Tuesday, May 4, 1954
  70 years ago

• CPC

  • G04B25/06 - by moving figures

• US Classifications

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