2241475

Information

• Patent Grant
• 2241475

• References
• Source

• Patent Number

  2,241,475

• Date Filed

  Not available

• Date Issued

  Tuesday, May 13, 1941
  83 years ago

• CPC

  • G08B9/06 - Means for indicating disagreement between orders given and those carried out

• US Classifications

  • 116 - Signals and indicators