Combined universal spike and drip chamber

- IVAC Corporation
Description

FIG. 1 is a right front perspective view of a combined universal spike and drip chamber, showing my new design, with the in vent closed position;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof, the left side elevational view being identical;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is another right front perspective view thereof, showing the vent in an open position;

FIG. 8 is a top plan view of a first alternate embodiment thereof, with the only difference residing in the flange portion, and all other sides being identical to that shown in FIGS. 1-7;

FIG. 9 is a top plan view of a second alternate embodiment thereof, with the only difference residing in the flange portion, and all other sides being identical to that shown in FIGS. 1-7; and,

FIG. 10 is a top plan view of a third alternate embodiment thereof, with the only difference residing in the flange portion, and all other sides being identical to that shown in FIGS. 1-7.

Referenced Cited
U.S. Patent Documents
D257886 January 13, 1981 Kersten
D291490 August 18, 1987 Raines
3949745 April 13, 1976 Howell
4055176 October 25, 1977 Lundquist
4364387 December 21, 1982 Larkin
4533347 August 6, 1985 Deckert
4718896 January 12, 1988 Arndt et al.
4857068 August 15, 1989 Kahn
Patent History
Patent number: D341420
Type: Grant
Filed: Jul 14, 1989
Date of Patent: Nov 16, 1993
Assignee: IVAC Corporation (San Diego, CA)
Inventor: Kirk O. Conn (Mahtomedi, MN)
Primary Examiner: Stella Reid
Law Firm: Fulwider, Patton, Lee & Utecht
Application Number: 7/379,902