3650599

Information

• Patent Grant
• 3650599

• References
• Source

• Patent Number

  3,650,599

• Date Filed

  Not available

• Date Issued

  Tuesday, March 21, 1972
  52 years ago

• CPC

  • G04B39/008 - with means for magnified reading
  • G04B19/34 - Position of the hands projected optically

• US Classifications

  • 359 - Optical: systems and elements
  • 116 - Signals and indicators
  • 968 - Horology