Welding mask

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Information

Patent Grant
D310276

References
Source

Patent Number
D310,276
Date Filed
Thursday, July 21, 1988
36 years ago
Date Issued
Tuesday, August 28, 1990
34 years ago

Inventors
- Rupert Fuerthbauer
- Hans Huesler
Original Assignees
- OPTREL AG, A CORP. OF SWITZERLAND
Examiners
- Burke; Wallace R.
- Chin; Kay H.
Agents
- Tarolli, Sundheim & Covell

US Classifications
- D29 - Equipment for safety, protection, and rescue
Field of Search
- US
- D29 6
- D29 7
- D29 8
- D29 9
- 002 8
- 002 9
- 002 421
- 002 426
- 350 331
- 350 332
- Term of Grant
  14Years

Information

Abstract

Description

Claims

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

US Referenced Citations (4)

Number	Name	Date	Kind
2644159	Jacobs	Jul 1953
4101980	Stepan et al.	Jul 1978
4581775	Nava	Apr 1986
4863244	Fuerthbauer et al.	Sep 1989