Fin assembly

Details Fin assembly Fin assembly

2003-01-14

2008-07-01

Vasudeva, Ajay (Department: 3617)

Buoys, rafts, and aquatic devices

Water skimming or walking device

Having stabilizing surface

C441S074000, C114S140000

Reexamination Certificate

active

07393256

ABSTRACT:
An integrally formed fibreglass fin assembly (1) including a base (2)—that is defined by broken lines (3,4)—for mounting the assembly to an object in the form of a surfboard (5). A primary fin (6) extends upwardly from base (2)—in that it extends upwardly from line (3)—and has a compound arcuate leading primary edge (7) and a compound arcuate trailing primary edge (8). A secondary fin (9) extends rearwardly and upwardly from base (2)—in that it extends from line (4)—and has a compound arcuate leading secondary edge (10) and a compound arcuate trailing secondary edge (11).

REFERENCES:
patent: 4733496 (1988-03-01), Wallner
patent: 4831954 (1989-05-01), Kinouchi et al.
patent: 4850917 (1989-07-01), Wilson et al.
patent: 5022337 (1991-06-01), Caldwell
patent: 5328397 (1994-07-01), Whitty
patent: 5464359 (1995-11-01), Whitty
patent: 5672081 (1997-09-01), Whitty
patent: 84471/82 (1983-01-01), None
patent: 8447182 (1984-08-01), None
patent: 68811/87 (1987-08-01), None
patent: 199170912 (1990-02-01), None
patent: 9170912 (1991-08-01), None
patent: 3248580 (1984-07-01), None
patent: 2516472 (1983-05-01), None
patent: WO85/03237 (1985-08-01), None
Abstract of AU 9170912 A, published Aug. 1991.
Table 1 (Partial from specification), Table 2 (Partial from specification), dimensions of prior art fin assemblies.

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