1256839

Information

• Patent Grant
• 1256839

• References
• Source

• Patent Number

  1,256,839

• Date Filed

  Not available

• Date Issued

  Tuesday, February 19, 1918
  107 years ago

• CPC

  • E06B3/50 - with more than one kind of movement
  • Y10S16/23 - Reversible

• US Classifications

  • 049 - Movable or removable closures
  • 016 - Miscellaneous hardware