Door knob with light-emitting location indicator and door

Details Door knob with light-emitting location indicator and door Door knob with light-emitting location indicator and door

2007-03-06

2007-03-06

Estremsky, Gary (Department: 3676)

Closure fasteners

Knobs

C362S100000

Reexamination Certificate

active

10677053

ABSTRACT:
A door knob with a light-emitting location indicator comprises a knob designed for placement on a door, for being grasped by the hand of a user for opening the door. The knob comprises translucent material. One or more objects comprising light-emitting material that either phosphoresces or luminesces are mounted within the knob and are visible through a protective layer of translucent material. The light-emitting material is designed to emit light in a darkened space to thereby visually indicate the location of the knob in the darkened space.

REFERENCES:
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patent: 3024555 (1962-03-01), Abeles
patent: D296658 (1988-07-01), Mead
patent: 4955714 (1990-09-01), Stotler et al.
patent: 4981314 (1991-01-01), Carr
patent: 5008551 (1991-04-01), Randolph
patent: 5217763 (1993-06-01), Boury
patent: 5664446 (1997-09-01), Kusmiss
patent: 6132057 (2000-10-01), Williams
patent: 6305032 (2001-10-01), Jones
patent: 6394511 (2002-05-01), Lam et al.
patent: 6461012 (2002-10-01), Shuman
patent: 6555215 (2003-04-01), Pitts
patent: 6704967 (2004-03-01), Gianelli et al.

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