3020702

Information

• Patent Grant
• 3020702

• References
• Source

• Patent Number

  3,020,702

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1962
  62 years ago

• CPC

  • G04B33/02 - Circular calibers
  • G04B29/00 - Frameworks

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 073 - Measuring and testing
  • 968 - Horology