Patent
   D331819
Priority
Dec 28 1989
Filed
Jun 12 1990
Issued
Dec 15 1992
Expiry
Dec 15 2006
Assg.orig
Entity
unknown
4
8
n/a
The ornamental design for a diving helmet, as shown.

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

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a sectional view taken along line 6--6 in FIG. 1; and,

FIG. 7 is a front perspective view thereof.

Kaburaki, Masahiko

Patent Priority Assignee Title
D433542, May 03 1999 WELL CO , LTD Diving helmet
D446358, Apr 28 2000 Adapter pad for diving helmet
D969391, Sep 15 2021 Projection lamp
D985205, Mar 23 2021 Dental patient face shield
Patent Priority Assignee Title
168027,
181887,
214862,
227196,
D242881, Sep 08 1975 General Aquadyne, Inc. Diver's helmet
D246271, Jan 09 1976 U S DIVERS CO , A CORP OF CA Diving helmet
D261073, Feb 05 1979 Combined fireman's hood and face mask
D320868, Nov 16 1989 Gas mask
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 05 1990KABURAKI, MASAHIKOTOHGUN KIGYO CO , LTD ,ASSIGNMENT OF ASSIGNORS INTEREST 0053680925 pdf
Jun 12 1990Tohgun Kigyo Co., Ltd.(assignment on the face of the patent)
Jan 11 2000TOHGUN KIGYO CO , LTD K COMPANY, THEASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0105670296 pdf
Nov 09 2001THE K COMPANYTHE K COMPANYCHANGE OF ADDRESS0125200478 pdf
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