Lighted drinking glass

Details Lighted drinking glass Lighted drinking glass

1992-05-27

1993-05-18

Cole, Richard R.

Illumination

With liquid container

362800, 362802, 362806, 362 31, F21V 3300

Patent

active

052116999

ABSTRACT:
A drinking glass which provides an appealing illuminated effect has a side wall portion containing recessed wedge-shaped indicia. Light emitting diodes, positioned at the bottom of the side wall portion direct light upwardly in a manner to be reflected outwardly by virtue of the angled facets of the wedge-shaped recesses. A battery for activating the diodes is positioned in a sealable compartment in the base of the glass. A mercury-type tilt switch causes the diodes to be illuminated when the glass is in upright orientation, and causes the diodes to be deactivated when the glass is upside down.

REFERENCES:
patent: 2224319 (1940-12-01), Schroyer
patent: 3218447 (1965-11-01), Pardue
patent: 3878386 (1975-04-01), Douglas
patent: 4034213 (1977-07-01), Norris
patent: 4344113 (1982-08-01), Ditto et al.
patent: 4390928 (1983-06-01), Runge
patent: 4563726 (1986-01-01), Newcomb et al.
patent: 4858084 (1989-08-01), Sheryll
patent: 4922355 (1990-05-01), Dietz et al.
patent: 5070435 (1991-12-01), Weller
patent: 5119279 (1992-06-01), Makowsky

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