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Class 152/60 - Combined drive


Subclass of Class 152 - Resilient tires and wheels
Definition: In a spring wheel having a spring encircling rigid annulus
No. of patents: 1
Last issue date: 01/08/2008


NumberTitleIssue Date
7316252Modular tire
A device for serving as a wheel for motor vehicles, where the wheel has its tire tread replaceable when it is worn out via unique rims and molded tire features. An alternate internal structure prevents the tire from “going flat” or “blowing out” when it is p...
01/08/2008
 
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