2470469

Information

• Patent Grant
• 2470469

• References
• Source

• Patent Number

  2,470,469

• Date Filed

  Not available

• Date Issued

  Tuesday, May 17, 1949
  75 years ago

• CPC

  • G08B9/00 - Order telegraph apparatus, i.e. means for transmitting one of a finite number of different orders at the discretion of the user
  • G08B5/32 - with indicator element moving rectilinearly

• US Classifications

  • 340 - Communications: electrical