1936828

Information

• Patent Grant
• 1936828

• References
• Source

• Patent Number

  1,936,828

• Date Filed

  Not available

• Date Issued

  Tuesday, November 28, 1933
  91 years ago

• CPC

  • B61K9/02 - Profile gauges

• US Classifications

  • 033 - Geometrical instruments
  • 116 - Signals and indicators
  • 200 - Electricity: circuit makers and breakers
  • 340 - Communications: electrical