Communications: electrical – Systems – Call station
Reexamination Certificate
2007-08-21
2007-08-21
Swarthout, Brent A. (Department: 2612)
Communications: electrical
Systems
Call station
C340S321000, C340S331000, C340S332000
Reexamination Certificate
active
11103180
ABSTRACT:
A signal device for attracting the attention of a service provider. The signal device has a body with a tapered base adapted to fit into a neck of a bottle and a slot in a lower end of the base for balancing the signal device on a rim of a drinking vessel. An intermittent light source is provided in the top of the body.
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Fishel Grace J.
Swarthout Brent A.
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