2685867

Information

• Patent Grant
• 2685867

• References
• Source

• Patent Number

  2,685,867

• Date Filed

  Not available

• Date Issued

  Tuesday, August 10, 1954
  70 years ago

• CPC

  • B25D9/10 - comprising a built-in internal-combustion engine
  • E21C3/18 - directly by a piston of an internal-combustion engine

• US Classifications

  • 123 - Internal-combustion engines
  • 173 - Tool driving or impacting
  • 261 - Gas and liquid contact apparatus