Diving helmet

Description

FIG. 1 is a front view of a diving helmet showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a perspective view thereof; and,

FIG. 7 is a side elevational view taken along line 7--7 in FIG. 2.

Referenced Cited
U.S. Patent Documents
3149632 September 1964 Colley
3675650 July 1972 Domyan et al.
3880157 April 1975 Elifritz
3892234 July 1975 Jones
3995627 December 7, 1976 O'Neill
5040528 August 20, 1991 O'Neill
5079775 January 14, 1992 Kaburaki
Patent History
Patent number: D402416
Type: Grant
Filed: Feb 28, 1997
Date of Patent: Dec 8, 1998
Inventors: Akira Konno (Tokyo 171), George Tezuka (Tokyo 157)
Primary Examiner: Ruth McInroy
Law Firm: Hedman, Gibson & Costigan, P.C.
Application Number: 0/66,957
Classifications
Current U.S. Class: And Transparent Eye Shield (D29/107)
International Classification: 2903;