Unit dose inhaler

- Astra Aktiebolag
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Description

The FIG. 1 is a perspective view of the unit dose inhaler;

The FIG. 2 is a side elevation view from one side thereof;

The FIG. 3 is a top plane view thereof;

The FIG. 4 is a side elevation view from the other side thereof;

The FIG. 5 is a end view of one end thereof;

The FIG. 6 is a end view of the other end thereof; and,

The FIG. 7 is a bottom plane view thereof.

Referenced Cited
U.S. Patent Documents
D350821 September 20, 1994 Wright et al.
2549303 April 1951 Friden
4265236 May 5, 1981 Pacella
4811731 March 14, 1989 Newell et al.
4817800 April 4, 1989 Williams et al.
4841964 June 27, 1989 Hurka et al.
5035237 July 30, 1991 Newell et al.
5042472 August 27, 1991 Bunin
5239991 August 31, 1993 Chawla et al.
5533505 July 9, 1996 Kallstrand et al.
Foreign Patent Documents
0404454 June 1990 EPX
558879A1 September 1993 EPX
WO89/01348 February 1989 WOX
WO92/04069 March 1992 WOX
WO93/17728 September 1993 WOX
Patent History
Patent number: D381416
Type: Grant
Filed: Feb 8, 1996
Date of Patent: Jul 22, 1997
Assignee: Astra Aktiebolag (Sodertalje)
Inventors: Ulf Henri Hansson (Dosjebro), Roger M.ang.rten Lassing (Lund), Richard Lindahl (Malmo)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: I. Simmons
Law Firm: Fish & Richardson, P.C.
Application Number: 0/50,072
Classifications
Current U.S. Class: Respirator, Vaporizer, Or Inhalation Tube (4) (D24/110)
International Classification: 2404;