Door knob insulator

Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Handle – handle component – or handle adjunct

Statutory Invention Registration

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Statutory Invention Registration

active

H0002137

ABSTRACT:
An insulated elastic cover that slips snuggly over interior or exterior door knob. It is constructed in a manner that allows locking and unlocking actions, as well as the ability to turn the door knob. Invention takes advantage of state-of-the-art materials to maximize insulating properties while minimizing bulk. Additionally, material is impregnated with anti-bacteriological medium that destroys hand-borne bacteria transferred from hand to door knob.

REFERENCES:
patent: 1491780 (1924-04-01), Abbott
patent: 2753911 (1956-07-01), Haslett
patent: 2781220 (1957-02-01), Zietlow
patent: 3343578 (1967-09-01), Rubin
patent: D299904 (1989-02-01), Smith
patent: 4832942 (1989-05-01), Crace
patent: 4856140 (1989-08-01), Visco et al.
patent: 5008551 (1991-04-01), Randolph
patent: D317397 (1991-06-01), Guberman
patent: 5713615 (1998-02-01), Tsai
patent: 5840122 (1998-11-01), Williams
patent: D427046 (2000-06-01), Mannix
patent: 6546594 (2003-04-01), Wills
patent: 09324366 (1997-12-01), None
patent: 11062331 (1999-03-01), None
patent: 11350804 (1999-12-01), None
patent: 2000234249 (2000-08-01), None
patent: 2003097101 (2003-04-01), None

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Profile ID: LFUS-PAI-O-3588478

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