3210924

Information

• Patent Grant
• 3210924

• References
• Source

• Patent Number

  3,210,924

• Date Filed

  Not available

• Date Issued

  Tuesday, October 12, 1965
  59 years ago

• CPC

  • G04C21/12 - by electro-acoustic means

• US Classifications

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