Breathing exerciser

- Sherwood Medical Company
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Description

FIG. 1 is a front elevational view of a breathing exerciser showing my new design;

FIG. 2 is a right side elevational view thereof with the hose and mouthpiece cut away;

FIG. 3 is a bottom plan view thereof with the hose and mouthpiece cut away;

FIG. 4 is a top plan view thereof, with the hose and mouthpiece cut away;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof with the hose and mouthpiece cut away;

FIG. 7 is a side elevational view of the mouthpiece thereof with the hose cut away; and

FIG. 8 is an end elevational view of the mouthpiece thereof.

Referenced Cited
U.S. Patent Documents
D269124 May 24, 1983 McCombs et al.
4060074 November 29, 1977 Russo
4114608 September 19, 1978 Russo
4221381 September 9, 1980 Ericson
4425923 January 17, 1984 Gordon et al.
4499905 February 19, 1985 Greenberg et al.
Other references
  • Introducing the DHD Coach brochures dated 9/85.
Patent History
Patent number: D319880
Type: Grant
Filed: Nov 8, 1988
Date of Patent: Sep 10, 1991
Assignee: Sherwood Medical Company (St. Louis, MO)
Inventor: Laszlo Tapolcai (Stamford, CT)
Primary Examiner: Stella Reid
Attorneys: Andrew J. Beck, Montgomery W. Smith, Richard D. Allison
Application Number: 7/269,099
Classifications
Current U.S. Class: Pulmonary (38) (D24/164)