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:
Feb. 03, 2004
Filed:
Jan. 30, 2003
Applicant:
Inventor:
Joseph Alan Smith, Mobile, AL (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B63B 1/22 ;
U.S. Cl.
CPC ...
B63B 1/22 ;
Abstract
The flaps ( ) are fastened to the bottom of the boat, with hinges ( ) and are extended under the moving boat to generate lift or cause drag. The area of the flaps ( ) can be increased with extensions ( ). Slots ( ) are present on the flaps ( ) to relieve vortexes and some drag. Lift amount can be regulated by the amount of flap presentation and by use of the extensions ( ). Flaps are individually controllable or can be moved in unison. Increased drag will result from extreme extension of the flaps. The number of flaps, fastened to the boat forward of the stern, can be two, four or more if desired. Complete retraction of the flaps will result in a smooth bottom