The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 10, 1978
Filed:
Nov. 12, 1976
Applicant:
Inventor:
Frederick C Greene, St. Joseph, MI (US);
Assignee:
Shepherd Products U.S. Inc., St. Joseph, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60B / ;
U.S. Cl.
CPC ...
16 45 ;
Abstract
A composite caster comprised of an insert made from a thermo-plastic material, such as nylon, having certain characteristics and a tread portion made from a second type of plastic material, such as urethane, having different characteristics, with the tread portion molded directly onto the insert to provide an integrated whole, with the insert formed with rim elements having positive interlocking relationships with the molded on tread portion.