505284

Information

• Patent Grant
• 505284

• References
• Source

• Patent Number

  505,284

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1893
  131 years ago

• CPC

  • G10K1/32 - Sounding members Clappers or other strikers

• US Classifications

  • 116 - Signals and indicators