2477848

Information

• Patent Grant
• 2477848

• References
• Source

• Patent Number

  2,477,848

• Date Filed

  Not available

• Date Issued

  Tuesday, August 2, 1949
  75 years ago

• CPC

  • G08B17/06 - Electric actuation of the alarm
  • G01R13/325 - for displaying non-recurrent functions such as transients

• US Classifications

  • 346 - Recorders