1892863

Information

• Patent Grant
• 1892863

• References
• Source

• Patent Number

  1,892,863

• Date Filed

  Not available

• Date Issued

  Tuesday, January 3, 1933
  92 years ago

• CPC

  • E21B31/12 - Grappling tools
  • E21C37/22 - Hand tools or hand-held power-operated tools specially adapted for dislodging minerals
  • Y10T407/14 - with means to apply fluid to cutting tool

• US Classifications

  • 407 - Cutters, for shaping