1662190

Information

• Patent Grant
• 1662190

• References
• Source

• Patent Number

  1,662,190

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1928
  96 years ago

• CPC

  • B61L5/125 - Fixed signals, beacons, or the like

• US Classifications

  • 116 - Signals and indicators
  • 173 - Tool driving or impacting