Inhalation spacer for aerosol medication

- AB Astra
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Description

FIG. 1 is a perspective view of one side of the inhalation spacer for aerosol medication in accordance with the invention;

FIG. 2 is a side elevation thereof;

FIG. 3 is a view of one end thereof; and,

FIG. 4 is a view of the opposite end thereof.

Referenced Cited
U.S. Patent Documents
D136885 December 1943 Osmun
D269463 June 21, 1983 Young
D295321 April 19, 1988 Hallworth
D340975 November 2, 1993 Sladek
D348100 June 21, 1994 Clarke
3645698 February 1972 Holybee et al.
4174712 November 20, 1979 Moren et al.
5012803 May 7, 1991 Foley et al.
5203323 April 20, 1993 Tritle
Foreign Patent Documents
699313 December 1964 CAX
0384050 August 1990 EPX
2230456 October 1990 GBX
9100117 January 1991 WOX
9204065 March 1992 WOX
9311817 June 1993 WOX
Patent History
Patent number: D373630
Type: Grant
Filed: Jul 22, 1994
Date of Patent: Sep 10, 1996
Assignee: AB Astra (Sodertalje)
Inventors: Elna Berg (Dalby), Jan Karlsson (Hjarup)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: I. Simmons
Law Firm: Fish & Richardson P.C.
Application Number: 0/26,218
Classifications
Current U.S. Class: Respirator, Vaporizer, Or Inhalation Tube (4) (D24/110)