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Patent
   D267764
Priority
Jun 10 1980
Filed
Dec 10 1980
Issued
Feb 01 1983
Expiry
Feb 01 1997
Inventors
Sundberg, …
Assg.orig
A-Teknik A…
Assg.curr
A-Teknik A…
Entity
unknown
Referenced by
11
References
4
Maint.:
n/a
The ornamental design for a corner lock for frames, as shown.

FIG. 1 is a perspective view of a corner lock for frames showing my new design; and

FIG. 2 is a perspective view of the opposite side thereof.
INVENTORS:

Sundberg, Alf H.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
11078720, May 09 2019 Amesbury Group, Inc. Corner key for extruded windows and doors
9869122, Jan 29 2016 Quanex Corporation Cornerlock having a self configurable first body member
9879472, Jun 05 2015 Quanex Corporation Frame assembly including a cornerlock
D307078, Oct 17 1988 Les Produits Duvernay Ltee Frame corner bracket
D322551, Feb 23 1989 Corner bracket for assembling boxes
D530193, Apr 04 2002 420820 Ontario Limited Corner bracket for a frame
D909855, May 09 2019 Amesbury Group, Inc Corner key
D911044, Apr 20 2017 Antomi Productions Pty Ltd Modular frame
D932882, May 09 2019 Amesbury Group, Inc. Corner key
D959252, Oct 21 2020 Peak Innovations Inc. Screen frame corner
D981838, Aug 06 2021 Jeld-Wen, Inc. Corner key for fenestration unit frame
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
1793696,
4012858, Jul 25 1975 Present card
137591,
D259083, Jul 12 1978 Corner connector for furniture panels
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 01 1980SUNDBERG ALF H A-Teknik Alf Sundberg AktiebolagASSIGNMENT OF ASSIGNORS INTEREST 0038470320 pdf
Dec 10 1980A-Teknik Alf Sundberg Aktiebolag(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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