USD238456S - - Google Patents

Description

United States Patent patented ii'. 1:22:

BLOOD FILTRATION UNIT Herman Charles Mouwen, Venture, Calif., and Francis Martin Servas, Belle Mead, N.J., assignors to Johnson & Johnson and Purolator, Inc.

Filed May 28, 1974, Ser. No. 473,478

Term of patent 14 years Int. Cl. D23-99; D24-02 US. Cl. D83l2 A FIG. 1 is a perspective view of a blood filtration unit References Cited g 2 design; f th h FIG 1 UNITED STATES PATENTS Isa l'OI'ltVlB'WO' eunI sownm' FIG. 3 is a side view of the unit shown in FIG. 1; 229,38 2 i FIG. 4 is a rear view of the unit shown in FIG. 1; i g 9/1970 i g R an11 16. 5 15 a top plan view of the unit shown In FIG. 1, 3:662:752 5/1972 Yokoyama 128*214 R 3,765,536 10/1973 Rosenberg 210-446 FIG. 6 is a bottom plan view of the unit shown in FIG. 1.

We claim:

The ornamental design for a blood filtration unit, as shown.

BERNARD ANSHER, Primary Examiner

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