Patent
   D307324
Priority
May 22 1987
Filed
May 22 1987
Issued
Apr 17 1990
Expiry
Apr 17 2004
Assg.orig
Entity
unknown
6
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;

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.

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

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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 0047150808 pdf
May 14 1987LAL, BIRENDRA K BAXTER TRAVENOL LABORATORIES, INC ASSIGNMENT OF ASSIGNORS INTEREST 0047150808 pdf
May 14 1987KASTING, THOMASBAXTER TRAVENOL LABORATORIES, INC ASSIGNMENT OF ASSIGNORS INTEREST 0047150808 pdf
May 22 1987Baxter International Inc.(assignment on the face of the patent)
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