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Patent
D668789
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Priority
Apr 03 2009
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Filed
May 23 2012
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Issued
Oct 09 2012
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Expiry
Oct 09 2026
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Assg.orig
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Entity
unknown
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2
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54
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n/a
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The ornamental design for the support rail for a ladder, as shown and described.
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FIG. 1 is a front perspective view of a support rail for a ladder;
FIG. 2 is a left side view of a support rail for a ladder;
FIG. 3 is a right side view of a support rail for a ladder;
FIG. 4 is a left side view of a support rail for a ladder; and,
FIG. 5 is a left side view of a support rail for a ladder.
The broken lines shown in the views are for illustrative purposes only and form no part of the claimed design.
Green, Jeffrey Alan
| Patent |
Priority |
Assignee |
Title |
| 1385319, |
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| 1811722, |
|
|
|
| 1812119, |
|
|
|
| 2007057, |
|
|
|
| 202426, |
|
|
|
| 2471110, |
|
|
|
| 2584197, |
|
|
|
| 281977, |
|
|
|
| 2887260, |
|
|
|
| 2934163, |
|
|
|
| 3288248, |
|
|
|
| 3374860, |
|
|
|
| 3933221, |
Dec 17 1971 |
|
Ladder adjusting and stabilizing apparatus |
| 4069893, |
Nov 18 1976 |
|
Ladder stabilizer and leveler |
| 4147231, |
Sep 27 1976 |
|
Ladder stabilizing device |
| 4207886, |
Apr 13 1979 |
|
Ladder adjusting and stabilizing apparatus |
| 4244446, |
Oct 20 1978 |
|
Adjustable ladder support |
| 4483415, |
May 18 1981 |
|
Folding stepladder |
| 4520896, |
May 18 1981 |
|
Foldable ladder |
| 4542874, |
Feb 18 1982 |
|
Bracket for a work platform |
| 4565262, |
Jun 29 1984 |
Stanley E., Hawkins |
Ladder apparatus |
| 4669576, |
Apr 30 1986 |
|
Safety ladder foot |
| 4723629, |
Feb 13 1987 |
Vernon M., Vanden Hoek |
Extension ladder with auxiliary extension leg and supporting legs |
| 475935, |
|
|
|
| 4798262, |
Sep 12 1986 |
|
Tripodal support |
| 4899849, |
Dec 05 1988 |
NEW RAC CORP ; REPUBLIC ACCEPTANCE CORPORATION |
Ladder stabilizer |
| 4949809, |
Dec 07 1989 |
NEW RAC CORP ; REPUBLIC ACCEPTANCE CORPORATION |
Extendable pole locking mechanism for ladder stabilizer |
| 5033584, |
Mar 02 1990 |
|
All-purpose ladder |
| 5086876, |
Apr 26 1991 |
|
Foot actuated ladder brace |
| 515783, |
|
|
|
| 5165501, |
Jul 25 1991 |
|
Ladder support attachment |
| 5267631, |
Sep 03 1992 |
|
Scaffold stabilizer apparatus |
| 5341899, |
Feb 03 1994 |
|
Anti-skid and leveling device for ladders |
| 5522473, |
Jan 11 1995 |
|
Ladder stabilizing device |
| 5551529, |
Nov 21 1994 |
|
Ladder stabilizer |
| 5590739, |
Nov 01 1994 |
TIMMERMANN, TIMM J |
Adjustable extension stepladder |
| 6019191, |
Feb 26 1999 |
|
Ladder support system |
| 6382353, |
Aug 14 1998 |
|
Slip prevention device for ladders |
| 6533071, |
Dec 29 2000 |
|
Ladder with incorporated stabilizers |
| 6948591, |
Dec 12 2003 |
BLACK ADDA PTY LTD |
Support apparatus or accessory for a ladder |
| 7163084, |
Jun 07 2005 |
|
Adjustable ladder stabilizer |
| 7293630, |
May 10 2006 |
|
Ladder stabilization device |
| 886737, |
|
|
|
| 20010015303, |
|
|
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| 20070181370, |
|
|
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| 20070261918, |
|
|
|
| 20080000720, |
|
|
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| 20090045013, |
|
|
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| 20090107765, |
|
|
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| 20100014762, |
|
|
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| 20100300805, |
|
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| 20110067954, |
|
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| D413681, |
Jun 10 1998 |
|
Scaffold unit |
| D650915, |
Oct 20 2010 |
LOUISVILLE LADDER INC. |
Brace for a step of a stepladder |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a