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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 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.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Nov 22 1990 | KABURAKI, MASAHIKO | TOHGUN KIGYO CO , LTD , | ASSIGNMENT OF ASSIGNORS INTEREST | 005530 | /0937 | |
Dec 07 1990 | Tohgun Kigyo Co., Ltd. | (assignment on the face of the patent) | / | |||
Jan 11 2000 | TOHGUN KIGYO CO , LTD | K COMPANY, THE | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010602 | /0890 | |
Oct 02 2001 | K COMPANY, THE | K COMPANY, THE | CHANGE OF ASSIGNEE ADDRESS | 012232 | /0052 |
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