1439496

Information

• Patent Grant
• 1439496

• References
• Source

• Patent Number

  1,439,496

• Date Filed

  Not available

• Date Issued

  Tuesday, December 19, 1922
  103 years ago

• CPC

  • E05F1/1016 - with a canted-coil torsion spring
  • Y10T74/1547 - Single acting

• US Classifications

  • 217 - Wooden receptacles
  • 074 - Machine element or mechanism