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Class 104/136 - Ice track


Subclass of Class 104 - Railways
Definition: Sledways in which the defined track-surface is formed of
No. of patents: 1
Last issue date: 12/30/1986


NumberTitleIssue Date
4632329Thermal barrier device for winter recreation surfaces
A thermal barrier device provides a heat insulative cover having low to negligible permeability to water vapor and a remote controlled reeling and unreeling mechanism for deploying and harvesting the cover onto and off of the exposed surfaces of ice rinks...
12/30/1986
 
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