1892989

Information

• Patent Grant
• 1892989

• References
• Source

• Patent Number

  1,892,989

• Date Filed

  Not available

• Date Issued

  Tuesday, January 3, 1933
  92 years ago

• CPC

  • B25B27/12 - mounting or demounting piston rings
  • Y10T29/536 - Piston ring inserter or remover
  • Y10T29/53609 - with ring encirclement

• US Classifications

  • 029 - Metal working