1447852

Information

• Patent Grant
• 1447852

• References
• Source

• Patent Number

  1,447,852

• Date Filed

  Not available

• Date Issued

  Tuesday, March 6, 1923
  101 years ago

• CPC

  • E05B47/0669 - with a pivotally moveable blocking element
  • E05B63/16 - with the handles on opposite sides moving independently
  • E05B65/0811 - the bolts pivoting about an axis perpendicular to the wings
  • E05B47/0004 - said core being linearly movable
  • Y10S292/24 - Dogging mechanism from inside operating means
  • Y10T70/5407 - Related dogging means for latch-bolt
  • Y10T70/55 - Dogged bolt or connections

• US Classifications

  • 070 - Locks
  • 292 - Closure fasteners