Breathing mask

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Information

Patent Grant
D250131

References
Source

Patent Number
D250,131
Date Filed
Monday, October 18, 1976
48 years ago
Date Issued
Tuesday, October 31, 1978
46 years ago

Inventors
- George Tom Lewis
- John Hamilton Price
Original Assignees
- CHEMETRON CORPORATION
Examiners
- Ansher; Bernard
Agents
- Esser; Nicholas M.

US Classifications
- D28 - Cosmetic products and toilet articles
- 128 - Surgery
Field of Search
- US
- D29 8
- D29 9
- 128 146 R
- 128 1463
- 128 1467
- 128 206
International Classifications
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a breathing mask, substantially as shown and described.

US Referenced Citations (7)

Number	Name	Date	Kind
D197450	Grimm	Feb 1964
D197451	Grimm	Feb 1964
D209884	Hansford, Jr.	Jan 1968
D225582	King	Dec 1972
2540567	Bennett	Feb 1951
2843121	Hudson	Jul 1958
3802431	Farr	Apr 1974