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Patent No. 5970981

Mouthguard made at least partially from an edible candy

A mouthguard includes a U-shaped upper bite plate which removably fits over upper teeth of a person, with the entire upper bite plate being made from a soft, deformable and edible gummi candy.

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Class 213/151 - Contour


Subclass of Class 213 - Railway draft appliances
Definition: Patents relating to the contour of the coupler.
No. of patents: 8
Last issue date: 03/04/2008


NumberTitleIssue Date
7337826Railway car coupler knuckle having improved bearing surface
Knuckle coupler castings and methods for casting the knuckle coupler castings, where the knuckle coupler castings having enhanced bearing surfaces which may include a vertically flat surface. ...
03/04/2008
7302994Method and system for manufacturing a coupler knuckle
A method for manufacturing a railcar coupler knuckle includes providing a cope mold portion and a drag mold portion. The cope and drag mold portions have internal walls defining at least in part perimeter boundaries of a coupler knuckle mold cavity. The method inclu...
12/04/2007
5582307Railway car coupler knuckle
A railway car coupler includes a knuckle that is rotatable about a pivot pin. The knuckle is comprised of a tail section, a hub and a nose section. The knuckle is usually made of steel in a casting operation. The pivot pin opening in the knuckle is cylind...
12/10/1996
4984696Railway coupler head strengthened at horn line
An improved railway coupler head is provided having a modified lock chamber which is asymmetrical about its longitudinal center line such that the rear horn wall has a greater length on the guard arm side than the knuckle side of the longitudinal center l...
01/15/1991
4206849Tail portion for railroad car coupler knuckle
A railroad car coupler having a knuckle in an open position further includes a lock which rests on a tail portion of the knuckle. By providing a continuous clearance between a leg portion of the lock and an end wall of the knuckle tail portion, lock drop ...
06/10/1980
4146143Automatic coupler for railway vehicles
An automatic coupler of the Janney-type has a guide horn rigidly connected to the coupling head below the knuckle and extends forwardly and laterally with respect to the knuckle. The guide horn is shaped to have on its upper face a plurality of guide and ...
03/27/1979
4090615Coupler knuckle assembly
An improved coupler knuckle wherein the tail surface contour is formed by a mathematical function curve so that upon closing the portion of the surface, which interfaces with the lock becomes closer to the knuckle pivot thus providing increased clearance ...
05/23/1978
4024958Coupler knuckle contour
The front face of an Association of American Railroads (A.A.R.) type E coupler knuckle, forward of the knuckle pivot center when the knuckle is in closed position, is formed of intersecting surfaces, one of which slopes rearwardly at an angle of approxima...
05/24/1977
 
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