1391548

Information

• Patent Grant
• 1391548

• References
• Source

• Patent Number

  1,391,548

• Date Filed

  Not available

• Date Issued

  Tuesday, September 20, 1921
  103 years ago

• CPC

  • B25B27/12 - mounting or demounting piston rings
  • Y10T29/53604 - Plier-type operation

• US Classifications

  • 029 - Metal working