3648579

Information

• Patent Grant
• 3648579

• References
• Source

• Patent Number

  3,648,579

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1972
  53 years ago

• CPC

  • G03B7/12 - a hand-actuated member moved from one position to another providing the energy to move the setting member

• US Classifications

  • 396 - Photography
  • 324 - Electricity: measuring and testing
  • 356 - Optics: measuring and testing