501777

Information

• Patent Grant
• 501777

• References
• Source

• Patent Number

  501,777

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1893
  131 years ago

• CPC

  • E05B45/06 - Electric alarm locks
  • Y10S200/10 - Curb, bumper and fender

• US Classifications

  • 200 - Electricity: circuit makers and breakers