2223218

Information

• Patent Grant
• 2223218

• References
• Source

• Patent Number

  2,223,218

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1940
  84 years ago

• CPC

  • B61L29/243 - Transmission mechanism or acoustical signals for gates

• US Classifications

  • 049 - Movable or removable closures
  • 192 - Clutches and power-stop control