520558

Information

• Patent Grant
• 520558

• References
• Source

• Patent Number

  520,558

• Date Filed

  Not available

• Date Issued

  Tuesday, May 29, 1894
  130 years ago

• CPC

  • G04D7/081 - for adjusting the felloe or the shafts

• US Classifications

  • 033 - Geometrical instruments