Patent
   D268322
Priority
Nov 24 1980
Filed
Nov 24 1980
Issued
Mar 22 1983
Expiry
Mar 22 1997
Assg.orig
Entity
unknown
2
5
n/a
The ornamental design for a door control system, as shown and described.

FIG. 1 is a plan view of a door control system according to the present invention;

FIG. 2 is a left side elevational view of the door control system of FIG. 1;

FIG. 3 is a front elevational view of the door control system of FIG. 1;

FIG. 4 is what will be referred to as a rear and normally hidden view of the door control system of FIG. 1; and

FIG. 5 is a bottom plan view of the door control system according to the present invention.

Berkowitz, Irving L.

Patent Priority Assignee Title
9163438, May 24 2013 Maxtech Consumer Products Limited Door stay
D891915, Jun 14 2018 Kason Industries, Inc. Door strike
Patent Priority Assignee Title
2946081,
3975791, Jun 10 1969 Kunststoff GmbH Door closing device
120752,
214028,
D261099, May 16 1979 CORBIN RUSSWIN, INC Door closer
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 13 1980BERKOWITZ IRVING L KASON INDUSTRIES INC ASSIGNMENT OF ASSIGNORS INTEREST 0038300641 pdf
Nov 24 1980Kason Industries, Inc.(assignment on the face of the patent)
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