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Patent
   D245147
Priority
Oct 07 1975
Filed
Oct 07 1975
Issued
Jul 26 1977
Expiry
Jul 26 1991
Inventors
Ono, Toru
Assg.orig
Kabushiki …
Assg.curr
Kabushiki …
Entity
unknown
Referenced by
14
References
3
Maint.:
n/a
The ornamental design for a hexagonal headed bolt, as shown.

FIG. 1 is a plan view of a hexagonal headed bolt bearing the design.

FIG. 2 is an elevation view thereof.

FIG. 3 is a vertical sectional view thereof.
INVENTORS:

Ono, Toru

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9644660, Jul 31 2008 MATHREAD INC Assembly improving, low mass, fastener head
D320162, Jan 25 1989 Baumac International Atomizer nozzle
D328903, Apr 07 1989 Oil filler nut
D563212, Oct 02 2006 Penta nut and tool set
D567643, Apr 28 2006 Combined bolt and female keyway
D568731, Apr 28 2006 Combined bolt and male keyway
D793850, Apr 12 2016 Screw
D807736, Oct 13 2016 Metal screw
D835744, Mar 20 2017 SCOTT WILSON DESIGN, LTD , DBA MINIMAL, INC Quick release trigger lock assembly
D879598, Sep 29 2017 Fastener with cylindrical shank section
D899914, Nov 21 2018 Fastener for a nut
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2397216,
2556155,
3883,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 07 1975Kabushiki Kaisha Izumi Seisakusho(assignment on the face of the patent)
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