Unitary swim fin Patent Grant Evans July 21, 1 [Evans; Robert B.]

Unitary swim fin

Evans July 21, 1

Patent Grant D328118

U.S. patent number D328,118 [Application Number 07/631,036] was granted by the patent office on 1992-07-21 for unitary swim fin. Invention is credited to Robert B. Evans.

United States Patent	D328,118
Evans	July 21, 1992

Unitary swim fin

Claims

The ornamental design for a unitary swim fin, as shown and described.

Inventors:	Evans; Robert B. (Santa Barbara, CA)
Appl. No.:	07/631,036
Filed:	December 20, 1990

Current U.S. Class:	D21/806
Field of Search:	;D21/239,236,237,238 ;441/64,61,62,63

Foreign Patent Documents


1085798	Jul 1960	DE
2612407	Sep 1988	FR

Primary Examiner: Chin; Kay H.
Attorney, Agent or Firm: Cislo & Thomas

Description

FIG. 1 is a top perspective view of a unitary swim fin showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a rear elevational view thereof;

FIG. 8 is a cross sectional view taken along line 8--8 of FIG. 2;

FIG. 9 is a top perspective view of a second embodiment of the unitary swim fin;

FIG. 10 is a top plan view of FIG. 9;

FIG. 11 is a left side elevational view of FIG. 9;

FIG. 12 is a bottom plan view of FIG. 9;

FIG. 13 is a right side elevational view of FIG. 9;

FIG. 14 is a front elevational view of FIG. 9;

FIG. 15 is a rear elevational view of FIG. 9;

FIG. 16 is a cross sectional view taken along line 16--16 of FIG. 10;

FIG. 17 is a top perspective view of a third embodiment of the unitary swim fin;

FIG. 18 is a top plan view of FIG. 17;

FIG. 19 is a left side elevational view of FIG. 17;

FIG. 20 is a bottom plan view of FIG. 17;

FIG. 21 is a right side elevational view of FIG. 17;

FIG. 22 is a front elevational view of FIG. 17;

FIG. 23 is a rear elevational view of FIG. 17;

FIG. 24 is a cross sectional view taken along line 24--24 of FIG. 18;

FIG. 25 is a top perspective view of a third embodiment of the unitary swim fin;

FIG. 26 is a top plan view of FIG. 25;

FIG. 27 is a left side elevational view of FIG. 25;

FIG. 28 is a bottom plan view of FIG. 25;

FIG. 29 is a right side elevational view of FIG. 25;

FIG. 30 is a front elevational view of FIG. 25;

FIG. 31 is a rear elevational view of FIG. 25; and,

FIG. 32 is a cross sectional view taken along line 32--32 of FIG. 26.

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