U.S. patents available from 1976 to present.
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Patent No. 5500234

Crispy Chip Sandwich and Process of Producing a Sandwich Product

A food product comprising a multilayer cookie or snack having outer layers formed from a crispy type edible food product such as a potato chip or corn chip, etc. with an intermediate marshmallow layer being in contact with the inner surface of each crispy chip and one or more filler substances.

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Class 340/815.72 - Having pneumatic type indication


Subclass of Class 340 - Communications: electrical
Definition: Subject matter in which one of the indications is an audible
No. of patents: 3
Last issue date: 02/03/2004


NumberTitleIssue Date
6686847Indicator with daylight visibility using a single light emitting diode
A single LED combined with a dark-colored reflective cavity, a diffusing graphic overlay, and a dark tinted window, provides a backlighted indicator with low power requirements. The design exhibits high visual contrast between on and off conditions, givin...
02/03/2004
4213115Visual warning signal for a locomotive
A visual warning system for a locomotive is disclosed which includes a signal unit mounted on the locomotive and connected by sensing means to an audible warning device on the locomotive, such as a horn. The visual warning signal unit is thus actuated whe...
07/15/1980
4074245Power failure alarm
An alarm device for connection between an electric appliance and a power source to provide an audible and visual signal of a power failure. The device includes a first circuit in series with the appliance and power source containing an electro-magnet hold...
02/14/1978
 
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