3082544

Information

• Patent Grant
• 3082544

• References
• Source

• Patent Number

  3,082,544

• Date Filed

  Not available

• Date Issued

  Tuesday, March 26, 1963
  63 years ago

• CPC

  • G04C21/14 - Electro-acoustic time announcement
  • G09B19/12 - Clock-reading

• US Classifications

  • 434 - Education and demonstration
  • 368 - Horology: time measuring systems or devices
  • 968 - Horology