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:
Jun. 19, 1990
Filed:
Nov. 14, 1985
Applicant:
Inventor:
James A Pritchett, Grove, OK (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B63C / ;
U.S. Cl.
CPC ...
114 44 ; 114 45 ;
Abstract
A boat lift for raising and lowering a boat in a boat slip disposed between spaced apart parallel dock sides, the lift having a pair of cross members disposed perpendicularly to the dock sides and supporting a boat support frame. The cross members are slidably connected to parallel guide arms angularly attachable to the dock sides via adjustable dock clamps. One or more tanks are attached to the cross members for supporting same at selected heights in a body of water, and pressure hoses and valves are provided for selectively admitting compressed air or water into the tanks for raising and lowering the boat support frame relative to the water.