Blood filter

- Abbott Laboratories
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Description

FIG. 1 is a front perspective view of a blood filter showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
RE25129 February 1962 Walter
2758597 August 1956 Elder
3056403 January 1956 Gewecke
3557786 January 1971 Barr, Sr. et al.
3664339 May 1972 Santomieri
3970490 July 20, 1976 Raines et al.
4013072 March 22, 1977 Jess
4087363 May 2, 1978 Rosemeyer et al.
4162220 July 24, 1979 Servas
4318812 March 9, 1982 Vcelka
Patent History
Patent number: D288480
Type: Grant
Filed: May 2, 1983
Date of Patent: Feb 24, 1987
Assignee: Abbott Laboratories (North Chicago, IL)
Inventor: John L. Vcelka (Zion, IL)
Primary Examiner: A. Hugo Word
Assistant Examiner: Stella M. Reid
Attorneys: Martin L. Katz, Michael J. Roth
Application Number: 6/490,705
Classifications
Current U.S. Class: D24/21