Door knob cover

Closure fasteners – Knob-attaching devices

Reexamination Certificate

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Details

C292S288000, C292S289000, C292SDIG020

Reexamination Certificate

active

07661734

ABSTRACT:
An apparatus to prevent actuation of a locking mechanism integrated in a door knob is provided. The apparatus includes a door knob cover and a cap portion. The door knob cover is configured to engage the door knob during actuation of the door knob. The cap portion is supported by the door knob cover and configured to prevent the locking mechanism from actuating.

REFERENCES:
patent: 329321 (1885-10-01), Leger
patent: 2610877 (1952-09-01), Weaver
patent: 2721597 (1955-10-01), Frank
patent: 2997089 (1961-08-01), Amdur et al.
patent: 3306643 (1967-02-01), Reed
patent: 3428351 (1969-02-01), Valk
patent: 3556571 (1971-01-01), Laub
patent: 4082351 (1978-04-01), Chrones
patent: 4570470 (1986-02-01), Gray, Sr.
patent: 4899564 (1990-02-01), Gilbert
patent: 5423583 (1995-06-01), Crockom
patent: 5425256 (1995-06-01), Crosby
patent: 5501494 (1996-03-01), Willetts
patent: 5615567 (1997-04-01), Kemp
patent: 5713615 (1998-02-01), Tsai
patent: 5794871 (1998-08-01), Willetts
patent: 6658906 (2003-12-01), Wright

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