175792

Information

• Patent Grant
• 175792

• References
• Source

• Patent Number

  175,792

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1876
  148 years ago

• CPC

  • B63B43/20 - Feelers

• US Classifications

  • 033 - Geometrical instruments
  • 116 - Signals and indicators