2126957

Information

• Patent Grant
• 2126957

• References
• Source

• Patent Number

  2,126,957

• Date Filed

  Not available

• Date Issued

  Tuesday, August 16, 1938
  86 years ago

• CPC

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

• US Classifications

  • 378 - X-ray or gamma ray systems or devices
  • 200 - Electricity: circuit makers and breakers
  • 315 - Electric lamp and discharge devices: systems
  • 361 - Electricity: electrical systems and devices