Ribbed helmet

- Bell Helmets, Inc.
Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a side elevational view of a ribbed helmet showing my new design; the opposite side being a mirror image thereof;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof; and

FIG. 4 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D228211 August 1973 O'Connor
Foreign Patent Documents
12765 May 1916 GBX
Other references
  • Bullard Indus. Safety Equipment, Cat. No. 66A, Jan. 1966, p. 4, Item #6, "Estherene Hel/Cap Helmet".
Patent History
Patent number: D255394
Type: Grant
Filed: Apr 11, 1978
Date of Patent: Jun 17, 1980
Assignee: Bell Helmets, Inc. (Norwalk, CA)
Inventor: Otho F. McNabb (Long Beach, CA)
Primary Examiner: Joel Stearman
Assistant Examiner: Carmen H. Vales
Attorney: William W. Haefliger
Application Number: 5/895,302
Classifications
Current U.S. Class: D/2231
International Classification: D0203;