3823548

Information

• Patent Grant
• 3823548

• References
• Source

• Patent Number

  3,823,548

• Date Filed

  Not available

• Date Issued

  Tuesday, July 16, 1974
  52 years ago

• CPC

  • G04B19/226 - three-dimensionally shaped

• US Classifications

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