Protective helmet

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Description

FIG. 1 is a left side view of the protective helmet showing our new design;

FIG. 2 is a right side view of the protective helmet;

FIG. 3 is a front view of the protective helmet;

FIG. 4 is a back view of the protective helmet;

FIG. 5 is a top view of the protective helmet; and

FIG. 6 is a bottom view of the protective helmet.

Referenced Cited
U.S. Patent Documents
3505677 April 1970 Le Masson et al.
Other references
  • Bell Helmets, brochure, 1971, p. 1, Bell Star Helmet.
Patent History
Patent number: D251156
Type: Grant
Filed: Nov 17, 1976
Date of Patent: Feb 27, 1979
Inventors: Wolfram Schleicher (7000 Stuttgart 80), Corina Piech (7000 Stuttgart 1)
Primary Examiner: Melvin B. Feifer
Attorney: Lawrence E. Laubscher
Application Number: 5/742,561
Classifications
Current U.S. Class: D/2232
International Classification: D0203;