Patent
   D402416
Priority
Jan 30 1997
Filed
Feb 28 1997
Issued
Dec 08 1998
Expiry
Dec 08 2012
Assg.orig
Entity
unknown
3
7
n/a
The ornamental design for a diving helmet, as shown.

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.

Konno, Akira, Tezuka, George

Patent Priority Assignee Title
D433542, May 03 1999 WELL CO , LTD Diving helmet
D446358, Apr 28 2000 Adapter pad for diving helmet
D720845, Apr 10 2012 3M Innovative Properties Company Facepiece
Patent Priority Assignee Title
3149632,
3675650,
3880157,
3892234,
3995627, Nov 15 1972 WHITNEY NATIONAL BANK Diving helmet system
5040528, Oct 13 1989 REIMERS ENGINEERING, INC ; BRITISH PETROLEUM NORWAY, LIMITED Autonomous breathing system for underwater diver's headgear
5079775, Feb 07 1990 THE K COMPANY Diving helmet
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