Inspiratory muscle exerciser or similar article

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Information

Patent Grant
D315583

References
Source

Patent Number
D315,583
Date Filed
Tuesday, March 15, 1988
36 years ago
Date Issued
Tuesday, March 19, 1991
33 years ago

Inventors
- Douglas A. Larson
- Thomas L. Clanton
Original Assignees
- Healthscan, Inc.
Examiners
- Rademaker; Charles A.
Agents
- Schweitzer Cornman & Gross

US Classifications
- D21 - Games, toys, and sports goods
Field of Search
- US
- D21 191-199
- 272 99
- 128 20424
- 128 20425
- 128 20427
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for an inspiratory muscle exerciser or similar article, as shown.

US Referenced Citations (16)

Number	Name	Date	Kind
D284095	Ashby	Jun 1986
D304232	Fuller	Oct 1989
433418	Nutz	Jul 1890
940735	Schaeffer et al.	Nov 1909
1244661	Teter	Oct 1917
1392700	Oyen	Oct 1921
2292474	Paxton	Aug 1942
3298362	Lippitt, Jr. et al.	Jan 1967
3958565	Wright	May 1976
4054134	Kritzer	Oct 1987
4062358	Kritzer	Dec 1977
4207884	Isaacson	Jun 1980
4221381	Ericson	Sep 1980
4226233	Kritzer	Oct 1980
4444202	Rubin et al.	Apr 1984
4739987	Nicholson	Apr 1988

Foreign Referenced Citations (2)

Number	Date	Country
656937	Dec 1964	BEX
804907	Jan 1969	CAX