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. 25, 2005
Filed:
Jul. 30, 2002
Applicants:
Christopher R. Irgens, Elm Grove, WI (US);
John Weber, Thiensville, WI (US);
Inventors:
Christopher R. Irgens, Elm Grove, WI (US);
John Weber, Thiensville, WI (US);
Assignee:
Master Lock Company, Oakcreek, WI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60D 106 ;
U.S. Cl.
CPC ...
Abstract
A lock assembly for securing a trailer including a hitch ball, a lock housing, a lock washer and a nut. The lock housing is placed over the lock washer and nut to prevent the nut from turning. A threaded portion of the hitch ball is placed through a hole in the lock housing and through the lock washer and nut to secure the hitch ball. When a trailer coupler is locked to the ball portion of the hitch ball, the trailer and hitch ball are secure from theft.