1932259

Information

• Patent Grant
• 1932259

• References
• Source

• Patent Number

  1,932,259

• Date Filed

  Not available

• Date Issued

  Tuesday, October 24, 1933
  91 years ago

• CPC

  • E21C3/18 - directly by a piston of an internal-combustion engine
  • Y10S173/03 - Lubrication

• US Classifications

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