1645633

Information

• Patent Grant
• 1645633

• References
• Source

• Patent Number

  1,645,633

• Date Filed

  Not available

• Date Issued

  Tuesday, October 18, 1927
  97 years ago

• CPC

  • G04B37/0454 - Free standing watches (montre chevalet)

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • D10 - Measuring, testing, or signalling instruments