820822

Information

• Patent Grant
• 820822

• References
• Source

• Patent Number

  820,822

• Date Filed

  Not available

• Date Issued

  Tuesday, May 15, 1906
  118 years ago

• CPC

  • B61D19/009 - both sliding and plugging, (
  • Y10T16/33 - Sliding and swinging

• US Classifications

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