387127

Information

• Patent Grant
• 387127

• References
• Source

• Patent Number

  387,127

• Date Filed

  Not available

• Date Issued

  Tuesday, July 31, 1888
  136 years ago

• CPC

  • E21B19/083 - Cam, rack or like feed mechanisms
  • Y10S29/09 - Elevated tank supply
  • Y10T74/1616 - Cyclical displacement responsive to the alternating-motion

• US Classifications

  • 074 - Machine element or mechanism
  • 029 - Metal working
  • 173 - Tool driving or impacting
  • 175 - Boring or penetrating the earth