2680216

Information

• Patent Grant
• 2680216

• References
• Source

• Patent Number

  2,680,216

• Date Filed

  Not available

• Date Issued

  Tuesday, June 1, 1954
  70 years ago

• CPC

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

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 192 - Clutches and power-stop control