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:
Jul. 14, 2020
Filed:
Sep. 24, 2018
Applicant:
Ronald Murl Sundelin, Yorktown, VA (US);
Inventor:
Ronald Murl Sundelin, Yorktown, VA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B 17/56 (2006.01); B63C 5/02 (2006.01); B63C 3/06 (2006.01);
U.S. Cl.
CPC ...
H01B 17/56 (2013.01); B63C 5/02 (2013.01); B63C 3/06 (2013.01);
Abstract
An object of this invention is to prevent the collapse of structures such as boat lifts, where the collapse is caused by corrosion of metal fasteners inside conductive material such as moist wood in the presence of ground voltage differences, and where the corrosion is prevented by blocking current from flowing through the fasteners.