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Patent
   D274212
Priority
Jul 05 1982
Filed
Sep 30 1982
Issued
Jun 12 1984
Expiry
Jun 12 1998
Inventors
Shohoji, T…
Assg.orig
Ryobi LTD
Assg.curr
Ryobi Ltd.
Entity
unknown
Referenced by
12
References
9
Maint.:
n/a
The ornamental design for a door closer, as shown.

FIG. 1 is a top, front and right side perspective view of a door closer showing my new design;

FIG. 2 is a front, bottom and left side perspective view thereof; and

FIG. 3 is a rear elevational view thereof.
INVENTORS:

Shohoji, Takeshi

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D295254, Dec 16 1985 Ryobi Ltd. Door closer
D416779, Nov 16 1998 Schlage Lock Company Door closer
D421561, Nov 16 1998 Schlage Lock Company LLC Door closer
D422195, Nov 16 1998 Schlage Lock Company LLC Door closer
D424404, Nov 16 1998 Schlage Lock Company LLC Door closer
D647780, Jul 10 2009 DORMAKABA DEUTSCHLAND GMBH Door drive with cover
D658033, Jul 10 2009 DORMAKABA DEUTSCHLAND GMBH Door drive with cover
D658034, Jul 10 2009 DORMAKABA DEUTSCHLAND GMBH Door drive with cover
D658035, Jul 10 2009 DORMAKABA DEUTSCHLAND GMBH Door drive with cover
D662390, Jul 10 2009 DORMAKABA DEUTSCHLAND GMBH Door drive with cover
D662391, Jul 10 2009 DORMAKABA DEUTSCHLAND GMBH Door drive with cover
D850885, Oct 04 2017 ASSA ABLOY Branding Sàrl Door closer
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2820241,
3252178,
3426382,
3902220,
4086681, Jun 22 1976 Door closer
4115897, Oct 11 1977 YALE SECURITY INC , A CORP OF DE Zero force hold open door closer
167177,
241512,
94773,
ASSIGNMENT RECORDS    Assignment records on the USPTO
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 17 1982SHOHOJI, TAKESHIRyobi LTDASSIGNMENT OF ASSIGNORS INTEREST 0042240537 pdf
Sep 30 1982Ryobi Ltd.(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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