USD239878S - - Google Patents

Description

United States Patent 239,878

Patented May 11, 1976 BLOOD FILTRATION UNIT Herman Charles Mouwen, Vcntura, Calif., and Francis Martin Servas, Belle Mead, N.J., assignors to Johnson & Johnson, New Brunswick, N.J., and Purolator, Inc.

Filed Apr. 19, 1974, Ser. No. 462,563

Term of patent 14 years Int. Cl. D24-0I US. Cl. D83-l F FIG. 1 is a perspective view of a blood filtration unit showing our new design;

FIG. 2 is a top plan view of the unit shown in FIG. 1;

FIG. 3 is a bottom view of the unit shown in FIG. 1;

FIG. 4 is a side view of the opposite side of the unit shown in FIG. 1;

FIG. 5 is a side view of the left end of the unit shown in FIG. 4;

FIG. 6 is a side view of the right end of the unit shown in FIG. 4;

FIG. 7 is a perspective view of an alternate embodiment of the unit;

FIG. 8 is a side view of the opposite side of the unit shown in FIG. 7; and

Des. 239,878 Page 3 of 3 FIG. 9 is a top plan view of the unit shown in FIG. 7. We claim:

The ornamental design for a blood filtration unit, as

shown and described.

References Cited UNITED STATES PATENTS 6/1973 Esmond 21032l K 12/1974 Miller 210321 K

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