1537620

Information

• Patent Grant
• 1537620

• References
• Source

• Patent Number

  1,537,620

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1925
  99 years ago

• CPC

  • G04C13/0427 - Systems in which slave-clocks function as master-clocks for other slave-clocks

• US Classifications

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