Diving helmet

- Tohgun Kigyo Co., Ltd.
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Description

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

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front perspective view thereof; and,

FIG. 7 is a rear perspective view thereof.

Referenced Cited
U.S. Patent Documents
D168027 January 1953 Arant
D181887 January 1958 Stuart et al.
D214862 August 1969 Jones
D227196 June 1973 Onswold
D242881 January 4, 1977 Jones
D246271 November 8, 1977 Cerniway et al.
D261073 October 6, 1981 Spruill et al.
D320868 October 15, 1991 Kumagai et al.
Other references
  • Pamphlet "Hartley's Undersea Walk-A Fabulous Experience" Copyright 1987 Created by Michael Hannau Enterprises, Inc. Miami, Fla.
Patent History
Patent number: D332843
Type: Grant
Filed: Dec 7, 1990
Date of Patent: Jan 26, 1993
Assignee: Tohgun Kigyo Co., Ltd.
Inventor: Masahiko Kaburaki (Tokyo)
Primary Examiner: A. Hugo Word
Assistant Examiner: Ruth McInroy
Law Firm: Davis, Bujold & Streck
Application Number: 7/626,624
Classifications
Current U.S. Class: D29/15