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Patent
   D262864
Priority
Oct 09 1979
Filed
Oct 09 1979
Issued
Feb 02 1982
Expiry
Feb 02 1996
Inventors
Schavilje,…
Assg.orig
Illinois T…
Assg.curr
Illinois T…
Entity
unknown
Referenced by
5
References
6
Maint.:
n/a
The ornamental design for a screw anchor, as shown.

FIG. 1 is a top perspective view of a screw anchor showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a bottom plan view thereof.
INVENTORS:

Schavilje, John N., Boyer, David C.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
4570338, Sep 20 1982 AT & T TECHNOLOGIES, INC , Methods of forming a screw terminal
D285048, Jun 14 1983 Telefonaktiebolaget LM Ericsson Screw anchor
D752963, Sep 23 2014 fischerwerke GmbH & Co. KG; FISCHERWERKE GMBH & CO KG Anchor
D828147, Sep 23 2014 fischerwerke GmbH & Co. KG; FISCHERWERKE GMBH & CO KG Anchor
D835978, Dec 22 2016 YAMASHINA CORPORATION Nut
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
1476837,
3803973,
3869959,
CH140848,
DE2436001,
FR819041,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 09 1979Illinois Tool Works Inc.(assignment on the face of the patent)
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