1651194

Information

• Patent Grant
• 1651194

• References
• Source

• Patent Number

  1,651,194

• Date Filed

  Not available

• Date Issued

  Tuesday, November 29, 1927
  97 years ago

• CPC

  • G04B37/082 - without special hermetic sealing pieces

• US Classifications

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