221963

Information

• Patent Grant
• 221963

• References
• Source

• Patent Number

  221,963

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1879
  145 years ago

• CPC

  • E05F1/06 - Mechanisms in the shape of hinges or pivots, operated by the weight of the wing
  • Y10T16/5393 - having lift rod

• US Classifications

  • 016 - Miscellaneous hardware