IP Library Granted Patent US 2,137
Granted Patent H1
US 2,137 · App. 10/641,583 · Granted Jan 3, 2006

Door knob insulator

Assignee: The United States of America as represented by the Secretary of the Air Force
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Quick Facts
Patent No.
US 2,137
App. No.
10/641,583
Granted
Jan 3, 2006
Kind
H1
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.

Claims (7)

1. A stretchable, thermally insulated knob cover that fits over a door knob and which comprises a fitted door knob cover constructed from thermally insulated cloth.

2. A knob cover, as defined in claim 1 , which is an exterior surface coated with anti-bacteriological agents selected from an group consisting of:

alcohol, tetracycalines, methyl paraben, ethyl paraben, propyl paraben and butyl paraben.

3. A knob cover, as defined in claim 1 , wherein said door knob has a key hole below the knob and wherein said knob cover has a silhouette and shape that covers the door knob, and said knob cover has a flanged and spread opening that covers the keyhole when the knob cover is on the door knob.

4. A knob cover, as defined in claim 1 , wherein the door knob has a center and a key hole in its center and wherein the knob cover as a center keyhole aperture that fits over the keyhole of the door knob.

5. A knob cover, as defined in claim 2 , wherein the door knob has a center and a keyhole in its center and wherein the knob cover as a center keyhole aperture that fits over the keyhole of the door knob.

6. A knob cover, as defined in claim 2 , wherein said door knob has a key hole below the knob and wherein said knob cover has a silhouette and shape that covers the door knob, and said knob cover has a flanged and spread opening that covers the keyhole when the knob cover is on the door knob.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 9, 2004
From: NEWMAN, GEORGE H.; NEWMAN, AUDREE D.
To: GOVERNMENT OF THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE AIR FORCE
Reel/Frame 014935/0709 →
Continuity (1)
Related Publication 20050034270A1 · Feb 17, 2005