3056922

Information

• Patent Grant
• 3056922

• References
• Source

• Patent Number

  3,056,922

• Date Filed

  Not available

• Date Issued

  Tuesday, October 2, 1962
  62 years ago

• CPC

  • H05G1/28 - Measuring or recording actual exposure time Counting number of exposures Measuring required exposure time

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 324 - Electricity: measuring and testing