1894807

Information

• Patent Grant
• 1894807

• References
• Source

• Patent Number

  1,894,807

• Date Filed

  Not available

• Date Issued

  Tuesday, January 17, 1933
  92 years ago

• CPC

  • G04D3/0263 - for axle taps

• US Classifications

  • 451 - Abrading
  • 968 - Horology