Protective helmet

- NP Aerospace Limited
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Description

FIG. 1 is a right frontal perspective view of a protective helmet showing my new design, the visor being in a lowered position;

FIG. 2 is a right rearward perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front view with the visor in a raised position;

FIG. 6 is a right side view with the visor in a raised position;

FIG. 7 is a right side view with the visor on a lowered position;

FIG. 8 is a left side view with the visor in a lowered position; and,

FIG. 9 is a left rearward perspective view with the visor in a lowered position.

Claims

I claim the ornamental design for a protective helmet, substantially as shown and described.

Referenced Cited
U.S. Patent Documents
D207900 June 1967 Feidmann et al.
3806951 April 1974 Halteman
D253197 October 23, 1979 Jarvinen
D283940 May 27, 1986 Bally
D324115 February 18, 1992 Brooks
D330951 November 10, 1992 Kamata
D331645 December 8, 1992 Gallet
D397519 August 25, 1998 Crupi et al.
Patent History
Patent number: D510644
Type: Grant
Filed: Mar 1, 2004
Date of Patent: Oct 11, 2005
Assignee: NP Aerospace Limited (Coventry)
Inventor: David Charles Batstone (Coventry)
Primary Examiner: Ruth McInroy
Attorney: Dann, Dorfman, Herrell & Skillman, P.C.
Application Number: 29/200,568
Classifications
Current U.S. Class: And Transparent Eye Shield (D29/107)