Closure fasteners – Wedges – Portable
Patent
1978-05-03
1980-10-28
Krizmanich, George H.
Closure fasteners
Wedges
Portable
E05C 1754
Patent
active
042303532
ABSTRACT:
Disclosed herein is a stop for doors which open into rooms having a solid carpet (such as wall-to-wall carpet that is fastened down) and comprises a handle, a base member and downwardly extending projections angulated so that they slant away from the door. When placed in proximate relation to the door, the unauthorized opening of the door is prevented to the extent that entry into that room is impossible without damaging the door.
REFERENCES:
patent: 61874 (1867-02-01), Rosenblatt
patent: 372655 (1887-11-01), Cashin
patent: 435226 (1890-08-01), Imler
patent: 929287 (1909-07-01), Collins
patent: 932694 (1909-08-01), Fulton et al.
patent: 1006788 (1911-10-01), Price
patent: 1154148 (1915-09-01), West
patent: 1338205 (1920-04-01), Albright
patent: 1354046 (1920-09-01), Lanning
patent: 3328065 (1967-06-01), Arenson
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