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Patent
D664830
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Priority
Aug 25 2011
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Filed
Aug 25 2011
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Issued
Aug 07 2012
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Expiry
Aug 07 2026
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Assg.orig
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Entity
unknown
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2
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26
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n/a
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The ornamental design for a piston for door closer, as shown and described.
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FIG. 1 is a perspective view of a piston for door closer showing our design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a rear elevational view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a perspective view of a door closer with the piston disposed therein.
The broken lines in FIGS. 1-8 are for illustrative purposes only and form no part of the claimed design.
Yang, Ju-Kuan, Yu, Rick
Patent |
Priority |
Assignee |
Title |
3337902, |
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366711, |
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4785493, |
Dec 13 1983 |
Dorma-Baubeschlag GmbH & Co. KG |
Door check |
5417013, |
Jul 10 1992 |
DORMA GMBH & CO KG |
Overhead door closer with slide rail for concealed installation in door panels or door frames |
5471708, |
Feb 14 1994 |
NATIONAL MANUFACTURING CO |
Pneumatic door closer |
5488896, |
Dec 22 1994 |
Schlage Lock Company LLC |
Self aligning piston rod |
5832561, |
Feb 23 1995 |
DORMA GMBH + CO KG |
Automatic door closer and process for assembly of same |
5992444, |
Oct 24 1997 |
Abloy Oy |
Control device for door closer |
6282750, |
Oct 15 1999 |
Schlage Lock Company LLC |
Power adjustment size indicator for a door closer |
6345412, |
Jun 27 1997 |
Ingersoll Rand Security Technologies Limited |
Arrangement for controlling an angularly movable member |
6421876, |
Aug 03 1998 |
DORMA GMBH + CO KG |
Door closer |
6618899, |
Dec 14 1998 |
DORMA GMBH + CO KG |
Door closer and method of producing a door closer |
6976289, |
Jul 25 2003 |
|
Door closer with door arresting mechanism |
7357198, |
Jan 24 2003 |
Wellbore Integrity Solutions LLC |
Downhole apparatus |
7650669, |
Dec 17 2004 |
DORMA GMBH + CO KG |
Door closer |
7841047, |
Mar 10 2004 |
Abloy Oy |
Control valve for door closer |
20070033768, |
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20110197391, |
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D462004, |
Mar 15 2001 |
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Security cap for plug lock |
D491787, |
Jan 11 2001 |
Dorma GmbH & Co. KG |
Door closer |
D493352, |
Jan 11 2001 |
Dorma GmbH + Co. KG |
Door closer |
D638686, |
Oct 25 2010 |
TOTE L INDUSTRIES CORP |
Sliding door closer |
DE10001950, |
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EP2138662, |
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EP2148033, |
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Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a