1654833

Information

• Patent Grant
• 1654833

• References
• Source

• Patent Number

  1,654,833

• Date Filed

  Not available

• Date Issued

  Tuesday, January 3, 1928
  97 years ago

• CPC

  • E21C3/18 - directly by a piston of an internal-combustion engine

• US Classifications

  • 173 - Tool driving or impacting
  • 123 - Internal-combustion engines