1855021

Information

• Patent Grant
• 1855021

• References
• Source

• Patent Number

  1,855,021

• Date Filed

  Not available

• Date Issued

  Tuesday, April 19, 1932
  92 years ago

• CPC

  • E05B45/02 - with mechanically-operated bells
  • Y10S70/49 - with alarm
  • Y10S70/73 - Thumb latch operator
  • Y10T70/55 - Dogged bolt or connections

• US Classifications

  • 070 - Locks