1223367

Information

• Patent Grant
• 1223367

• References
• Source

• Patent Number

  1,223,367

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1917
  108 years ago

• CPC

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

• US Classifications

  • 248 - Supports
  • 182 - Fire escape, ladder, or scaffold
  • 254 - Implements or apparatus for applying pushing or pulling force