Protective helmet

- Polison Corporation
Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is perspective view of a protective helmet showing my new design;

FIG. 2 is a front side elevation view thereof;

FIG. 3 is a rear side elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Claims

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

Referenced Cited
U.S. Patent Documents
D306363 February 27, 1990 Stackhouse et al.
D349362 August 2, 1994 Russell
D354588 January 17, 1995 Russell
D354589 January 17, 1995 Russell
D361160 August 8, 1995 Russell
D362086 September 5, 1995 Russell
D375583 November 12, 1996 Landis et al.
D458713 June 11, 2002 Cheng
6536045 March 25, 2003 Wilson et al.
6591424 July 15, 2003 Wang-Lee
Patent History
Patent number: D499214
Type: Grant
Filed: Sep 2, 2003
Date of Patent: Nov 30, 2004
Assignee: Polison Corporation (Kaohsiung)
Inventor: Chen-San Cheng (Kaohsiung)
Primary Examiner: Ruth McInroy
Attorney, Agent or Law Firm: Leong C. Lei
Application Number: 29/189,181
Classifications
Current U.S. Class: Including Transparent Eye Shield (e.g., Welder's Mask, Glare Shield) (D29/110)
International Classification: 2902;