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Patent No. 5823386

Reward Candy Dispenser for Personal Computers

A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.

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Class 298/28 - Removable bottom boards


Subclass of Class 298 - Land vehicles: dumping
Definition: The load-receptacle is provided with the removable part
No. of patents: 6
Last issue date: 08/01/2000


NumberTitleIssue Date
6095616Gravity discharge grain wagon with discharge opening closure system
A wheel supported grain wagon includes a box or container with sloping side walls extending to a bottom wall, and a discharge opening is formed within one of the side walls adjacent the bottom wall. An inner metering door or panel and an adjacent outer cl...
08/01/2000
6059372Hopper bottom trailer
An open top vessel containing bulk or liquid material comprising an inclined front wall, an inclined rear wall, and inclined opposite side walls. The walls of the vessel extend downwardly and inwardly from the upper ends thereof towards the lower ends the...
05/09/2000
5224761Bottom dump front door latch
A bottom dump trailer having a trailer body for accepting and hauling load material having a front and rear walls, opposing and parallel side walls and a floor formed by front and rear doors is disclosed. The sides of the front and rear doors are slidably...
07/06/1993
4228742Railway car integral hopper structure
A vehicle hopper construction having longitudinally spaced hopper end slope sheets and hopper cross ridge slope sheets formed prior to assembly in the vehicle hopper so as to provide integral interior hopper corner plates with associated transversely spac...
10/21/1980
4003301Vacuum relief system for tarpaulin covered hopper trailers
An elongated hollow tube extending between the forward and after ends of a hopper trailer serves as a ridge pole for a protective tarpaulin covering a commodity, such as rice or wheat, forming the trailer's cargo. Conduits connected to the ends of the tube ext...
01/18/1977
3995541Railway hopper car having baffles decreasing load density
Baffles are provided in transportation hoppers to solve the problem of upper bulk lading exerting pressure and causing damage to lower bulk lading in the hopper by reducing load density of the lading. The baffles are preferably inclined with respect to th...
12/07/1976
 
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