3643564

Information

• Patent Grant
• 3643564

• References
• Source

• Patent Number

  3,643,564

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1972
  52 years ago

• CPC

  • G03B9/70 - with flash-synchronising contacts
  • G03B7/12 - a hand-actuated member moved from one position to another providing the energy to move the setting member
  • H05B41/32 - for single flash operation

• US Classifications

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