1559742

Information

• Patent Grant
• 1559742

• References
• Source

• Patent Number

  1,559,742

• Date Filed

  Not available

• Date Issued

  Tuesday, November 3, 1925
  99 years ago

• CPC

  • E21C27/06 - with a slewing frame
  • Y10T24/1332 - Combined and convertible pencil holder

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 024 - Buckles, buttons, clasps, etc.