Helmet

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Information

Patent Grant
D411339

References
Source

Patent Number
D411,339
Date Filed
Thursday, June 4, 1998
28 years ago
Date Issued
Tuesday, June 22, 1999
27 years ago

Inventors
- Roger M. Ball
- Steve A. Copeland
Original Assignees
- Construction Safety Association of Ontario
Examiners
- McInroy; Ruth
Agents
- Seaby; George A.

US Classifications
- D29 - Equipment for safety, protection, and rescue
Field of Search
- US
- D29 102-111
- D29 122
- 002 411
- 002 412
- 002 414
- 002 417
- 002 418
- 002 421
- 002 423
- 002 425
International Classifications
- 2902
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a helmet, as shown and described.

US Referenced Citations (12)

Number	Name	Date	Kind
D192071	Tucker	Jan 1962
D205179	Miller	Jul 1966
D205990	Raschke	Oct 1966
D215400	Sinclair et al.	Sep 1969
D218385	Bohner	Aug 1970
D234411	Zuppert	Mar 1975
D277425	Higginson	Feb 1985
D300275	Sjogren et al.	Mar 1989
D358905	Stinson et al.	May 1995
D370308	Nilsson	May 1996
2931042	Austin	Apr 1960
3280402	Scheibchen	Oct 1966