Patent
   D312503
Priority
May 22 1987
Filed
May 22 1987
Issued
Nov 27 1990
Expiry
Nov 27 2004

TERM.DISCL.
Assg.orig
Entity
unknown
2
8
n/a
The ornamental design for a dual vent filter for use with intravenous tubing, as shown and described.

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

FIG. 2 is a right side elevational view thereof, the opposite side view being identical thereto.

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevational view thereof; and

FIG. 6 is a top perspective view thereof.

Lal, Birendra K., Unger, John M., Kasting, Thomas

Patent Priority Assignee Title
D355973, Feb 10 1993 Terumo Kabushiki Kaisha Blood filter
D623300, Jan 30 2009 Edge Biosystems Filterplate
Patent Priority Assignee Title
4116646, May 20 1977 MILLIPORE INVESTMENT HOLDINGS LIMITED, A CORP OF DE Filter unit
4190426, Nov 30 1977 Baxter Travenol Laboratories, Inc. Gas separating and venting filter
4238207, Nov 30 1977 Baxter Travenol Laboratories, Inc. Method of mounting a filter membrane
4276170, Oct 28 1976 Critikon, Inc. Vented flexible filtration device for use in administering parenteral liquids
4341538, Aug 18 1978 Pall Corporation Intravenous filter
4525182, Aug 29 1983 MILLIPORE INVESTMENT HOLDINGS LIMITED, A CORP OF DE I.V. Filter apparatus
4568366, Aug 30 1983 Baxter Laboratories, Inc. In-line filter
D291490, Dec 13 1984 B BRAUN MEDICAL, INC Vented piercing pin for I.V. containers
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 14 1987UNGER, JOHN M BAXTER TRAVENOL LABORATORIES, INC ASSIGNMENT OF ASSIGNORS INTEREST 0047150809 pdf
May 14 1987LAL, BIRENDRA K BAXTER TRAVENOL LABORATORIES, INC ASSIGNMENT OF ASSIGNORS INTEREST 0047150809 pdf
May 14 1987KASTING, THOMASBAXTER TRAVENOL LABORATORIES, INC ASSIGNMENT OF ASSIGNORS INTEREST 0047150809 pdf
May 22 1987Baxter International Inc.(assignment on the face of the patent)
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