1928945

Information

• Patent Grant
• 1928945

• References
• Source

• Patent Number

  1,928,945

• Date Filed

  Not available

• Date Issued

  Tuesday, October 3, 1933
  91 years ago

• CPC

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

• US Classifications

  • 049 - Movable or removable closures