Dual vent filter for use with intravenous tubing

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Description

FIG. 1 is a top plan view of a duel vent filter for use with intravenous tubing showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a top perspective view thereof.

Referenced Cited
U.S. Patent Documents
D291490 August 18, 1987 Raines
4116646 September 26, 1978 Edwards
4190426 February 26, 1980 Ruschke
4238207 December 9, 1980 Ruschke
4276170 June 30, 1981 Vaillancourt
4341538 July 27, 1982 Vadnay et al.
4525182 June 25, 1985 Rising et al.
4568366 February 4, 1986 Frederick et al.
Patent History
Patent number: D314435
Type: Grant
Filed: May 22, 1987
Date of Patent: Feb 5, 1991
Assignee: Baxter International, Inc. (Deerfield, IL)
Inventors: John M. Unger (Lake Geneva, WI), Birendra K. Lal (Glendale Heights, IL), Thomas Kasting (McHenry, IL)
Primary Examiner: A. Hugo Word
Assistant Examiner: Stella M. Reid
Attorneys: Paul C. Flattery, Amy L. R. Rockwell
Application Number: 7/54,166
Classifications
Current U.S. Class: D24/52