US 12,392,177 B2
System and method of preventing forced entry of a doorway
Leonard Wayne Greenough, Wilmington, NC (US); David Wayne Greenough, Wilmington, NC (US); Jonathan Vance Clark, Wilmington, NC (US); and Jacob Scott Clark, Wilmington, NC (US)
Filed by Leonard Wayne Greenough, Wilmington, NC (US); David Wayne Greenough, Wilmington, NC (US); Jonathan Vance Clark, Wilmington, NC (US); and Jacob Scott Clark, Wilmington, NC (US)
Filed on May 25, 2023, as Appl. No. 18/195,053.
Prior Publication US 2024/0392617 A1, Nov. 28, 2024
Int. Cl. E05C 17/46 (2006.01); E05C 17/12 (2006.01); E05C 19/00 (2006.01); E05C 19/18 (2006.01)
CPC E05C 17/46 (2013.01) [E05C 17/12 (2013.01); E05C 19/003 (2013.01); E05C 19/18 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A door anti-opening system, the system comprising:
an aperture positioned in a flooring, the aperture located adjacent to a first side and a bottom of a closed door, the closed door comprising:
the first side comprising a doorknob;
an opposed second side;
a top;
the bottom;
a block comprising a bottom face, a top face, a front face and an opposed rear face, a pair of side edges, and an internal passageway positioned in a center of the top face, passing through an interior of the block to a center of the bottom face, wherein the internal passageway has the same dimensions as the aperture, wherein the block is configured as a 6 faced square or rectangle;
a single elongated I-shaped pin comprising a first end and a second end, wherein the pin is configured to removably pass through the internal passageway and into the aperture;
wherein the system is separate from and unattached to the door during use and when the system is assembled; and
wherein the block is configured to removably rest on a top surface of the flooring in a closed orientation and the entire system is positioned adjacent to the first side of the closed door such that the rear face of the block abuts the door in a flush manner in the closed orientation, and the block is adjacent to the aperture when the system is assembled and the block is further configured to be removed from the top surface of the flooring when the door is in an open orientation.