1293222

Information

• Patent Grant
• 1293222

• References
• Source

• Patent Number

  1,293,222

• Date Filed

  Not available

• Date Issued

  Tuesday, February 4, 1919
  106 years ago

• CPC

  • E21B19/16 - Connecting or disconnecting pipe couplings or joints
  • E21D11/02 - Lining predominantly with wood

• US Classifications

  • 248 - Supports
  • 211 - Supports: racks
  • 254 - Implements or apparatus for applying pushing or pulling force