2452857

Information

• Patent Grant
• 2452857

• References
• Source

• Patent Number

  2,452,857

• Date Filed

  Not available

• Date Issued

  Tuesday, November 2, 1948
  76 years ago

• CPC

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

• US Classifications

  • 029 - Metal working
  • D08 - Tools and hardware