Lung exercise device

- Owens-Illinois, Inc.
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Description

FIG. 1 is a front elevation of a lung exercise device showing our new design.

FIG. 2 is a rear elevation thereof.

FIG. 3 is a side elevation thereof.

FIG. 4 is a top plan thereof and also is a mirror image of the bottom thereof; and

FIG. 5 is an elevation as seen from the side opposite FIG. 3.

Referenced Cited
U.S. Patent Documents
D233802 November 1974 Saffer et al.
3337039 August 1967 Knittel et al.
3542230 November 1970 Campbell
3710780 January 1973 Milch
3811671 May 1974 Turbull
3822117 July 1974 Bergh et al.
Patent History
Patent number: D242956
Type: Grant
Filed: Jun 11, 1975
Date of Patent: Jan 4, 1977
Assignee: Owens-Illinois, Inc. (Toledo, OH)
Inventors: James G. Miller (Northwood, OH), Wayne J. Zitkus (Toledo, OH), Robert J. Aul (Perrysburg, OH)
Primary Examiner: Bernard Ansher
Attorney: Howard G. Bruss, Jr.
Application Number: 5/586,788
Classifications
Current U.S. Class: D83/1
International Classification: D2402;