1998763

Information

• Patent Grant
• 1998763

• References
• Source

• Patent Number

  1,998,763

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1935
  89 years ago

• CPC

  • G04B19/207 - by means of bands

• US Classifications

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