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Patent
   D567643
Priority
Apr 28 2006
Filed
Apr 28 2006
Issued
Apr 29 2008
Expiry
Apr 29 2022
Inventors
Campbell, …
Assg.orig
Assg.curr
Entity
unknown
Referenced by
6
References
31
Maint.:
n/a
An ornamental design for a combined bolt and female keyway, as shown and described.

FIG. 1 is a perspective view of my new design showing a female keyway in the head of a bolt; the key for the keyway is shown in broken lines to illustrate the mode of use; and,

FIG. 2 is a top view of the head of the bolt.
INVENTORS:

Campbell, R. Bryce

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
9080792, Jul 31 2013 IRONRIDGE, INC Method and apparatus for mounting solar panels
9638234, Aug 27 2014 BRYCE FASTENER COMPANY, INC Methods and apparatus for multi-dimensional asymmetrical fastening system
D649929, Apr 20 2010 SOLAR POWER, INC Photovoltaic structure
D888545, Dec 19 2018 Screw head
D957240, Jan 30 2020 Security screw
D982426, Jan 30 2020 Security screw
THIS PATENT REFERENCES THESE PATENTS:
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3874258,
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5207132, Oct 16 1991 Acument Intellectual Properties LLC Elliptical lobed drive system
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5870934, Nov 04 1997 Anti-theft "O" tool and screw set for license plates
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6109851, Jan 13 1999 Illinois Tool Works Inc. Screws having selected heat treatment and hardening
6186718, Jun 18 1998 Northrop Grumman Corporation Threaded fastener having a head with a triangle centerpost within a triangle recess
755804,
170571,
D245147, Oct 07 1975 Kabushiki Kaisha Izumi Seisakusho Hexagonal headed bolt
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