1450620

Information

• Patent Grant
• 1450620

• References
• Source

• Patent Number

  1,450,620

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1923
  101 years ago

• CPC

  • H04L7/0095 - with mechanical means
  • G04C15/0063 - Synchronous clock systems

• US Classifications

  • 340 - Communications: electrical
  • 368 - Horology: time measuring systems or devices
  • 968 - Horology