1879707

Information

• Patent Grant
• 1879707

• References
• Source

• Patent Number

  1,879,707

• Date Filed

  Not available

• Date Issued

  Tuesday, September 27, 1932
  92 years ago

• CPC

  • H02B15/02 - with mimic diagrams
  • G01D13/20 - with luminescent markings
  • H02B15/00 - Supervisory desks or panels for centralised control or display

• US Classifications

  • 116 - Signals and indicators