Airflow friction reducer for watercrafts

Description

FIG. 1 is a rear perspective view of an air flow friction reducer for watercrafts showing our new design;

FIG. 2 is a front perspective view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom perspective view thereof;

FIG. 6 is a top perspective view thereof; and,

FIG. 7 is an exploded perspective view.

Referenced Cited
U.S. Patent Documents
3753415 August 1973 Burtis
4659316 April 21, 1987 Ozaki
4854904 August 8, 1989 Wahl
5133681 July 28, 1992 Lobe
Foreign Patent Documents
578316 April 1986 AUX
Patent History
Patent number: D376634
Type: Grant
Filed: Sep 2, 1993
Date of Patent: Dec 17, 1996
Inventors: James S. Toner (Denmark, Western Australia 6333), Paul A. Toner (Denmark, Western Australia 6333)
Primary Examiner: Holly H. Baynham
Law Firm: Larson and Taylor
Application Number: 0/12,449
Classifications
Current U.S. Class: D21/231