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Patent No. 5983411

Toilet Tank Aquarium

A new toilet tank assembly aquarium for housing aquatic creatures.

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Class 238/319 - Rail lug


Subclass of Class 238 - Railways: surface track
Definition: Lugged rails to prevent rail-creepage.
No. of patents: 2
Last issue date: 08/07/1990


NumberTitleIssue Date
4946099Sleeper construction
A concrete sleeper has an elongate metal insert having a T-slot containing a T-head of a retaining block which bears against a rail foot to retain rail gauge. The retaining block can be rotated by 180° and slid along the T-slot to abut an edge of the foo...
08/07/1990
4171774Expansion joint for railroad tracks
The specification describes an improved railroad track expansion joint which is comprised of a pair of longitudinally aligned elongated joint members interconnected with one another by means of a dovetail joint formed along abutting faces which extend at ...
10/23/1979
 
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