FIG. 1 is a perspective view of an adjustable ladder extension showing my new design;
FIG. 2 is a top view shown at an enlarged scale thereof;
FIG. 3 is a bottom view shown at an enlarged scale thereof;
FIG. 4 is front view shown at an enlarged scale thereof;
FIG. 5 is a rear view thereof;
FIG. 6 is a left side view thereof;
FIG. 7 is a right side view thereof; and,
FIG. 8 is an enlarged view of a portion taken from FIG. 4.
| Patent |
Priority |
Assignee |
Title |
| 10047561, |
Sep 08 2015 |
LANZAFAME, PHILIP F |
Adjustable ladder extension |
| 10107035, |
Oct 19 2015 |
LANZAFAME, PHILIP F |
Ladder Stabilizer |
| 1246709, |
|
|
|
| 1377543, |
|
|
|
| 2115395, |
|
|
|
| 4249638, |
Dec 26 1979 |
|
Ladder extension apparatus |
| 4423797, |
Feb 01 1982 |
|
Ladder leveling device |
| 4844208, |
Nov 17 1987 |
3V Enterprises Inc. |
Ladder extension device |
| 4852689, |
Aug 13 1986 |
|
Ladder leveling accessory |
| 5094320, |
Jan 25 1991 |
|
Ladder improvement |
| 5107958, |
Jul 16 1990 |
|
Ladder leveler |
| 5222575, |
Feb 08 1989 |
Joseph H., Couch, IIII |
Ladder leveling and stabilizing extension and foot |
| 5307900, |
Jul 30 1993 |
|
Ladder leg extension apparatus |
| 5325936, |
Jun 11 1993 |
|
Ladder leveler |
| 5335754, |
Jul 22 1993 |
|
Self-levelling ladder |
| 5551529, |
Nov 21 1994 |
|
Ladder stabilizer |
| 5678656, |
Jul 25 1995 |
|
Positive engaging ladder stabilizing and leveling device |
| 5704451, |
Dec 20 1996 |
|
Ladder stabilizing system |
| 5758745, |
Jul 18 1996 |
WERNER TECHNOLOGIES, INC |
Extension ladder, combination end cap/guide bracket, and method for climbing |
| 5845744, |
Nov 19 1997 |
Harold Anthony Ernest, Beck; Jason Todd Anthony, Beck; Ernest Kenneth, Cucheran |
Ladder levelling device |
| 5908085, |
Mar 13 1997 |
|
Ladder leveling accessory system |
| 5913382, |
Dec 31 1997 |
|
Ladder extension system |
| 6196353, |
Apr 06 2000 |
|
Ladder leveling accessory |
| 6234273, |
Dec 17 1999 |
|
Adjustable ladder |
| 6450292, |
Nov 18 1997 |
Sandpiper Construction Limited |
Ladder levelling device |
| 6595326, |
May 01 2002 |
|
Ladder leveling device |
| 6640931, |
Feb 04 2000 |
|
Universal, hand attachable,multi-use, l-shaped, ladder utility bracket, with ladder leveler attachment |
| 7222696, |
Oct 07 2004 |
|
Independently adjustable extensions for leveling a ladder |
| 7556125, |
Jul 28 2006 |
|
Ladder ridge anchor and attachment and stabilizer system |
| 8225906, |
Aug 22 2008 |
CORNELIUS, INC |
Extendable/retractable ladder |
| 8256573, |
Jan 14 2006 |
WERNER CO |
Ladder leveler and method |
| 8297406, |
Mar 03 2010 |
Dofair Co., Ltd.; DOFAIR CO , LTD |
Device capable of extending a foot end of a ladder |
| 8365865, |
Mar 03 2009 |
WING ENTERPRISES, INCORPORATED |
Adjustable ladders and related methods |
| 8974334, |
Oct 14 2011 |
D B Industries, LLC |
Cable drive and tension assembly |
| 9010491, |
Nov 27 2009 |
|
Ladder safety accessory kit |
| 9033104, |
May 20 2014 |
|
Stabilizer support for extension ladder |
| 9151115, |
Feb 13 2014 |
|
Stabilized ladder assembly |
| 9322215, |
Apr 02 2013 |
Jershon, Inc. |
Ladder leveler apparatus |
| 9777535, |
Jan 05 2017 |
STENTIFORD SAFETY SERVICES, LLC |
Step adaptor for transitioning between sections of an extension ladder |
| 20050269156, |
|
|
|
| 20080190697, |
|
|
|
| 20110214946, |
|
|
|
| 20150233180, |
|
|
|
| 183691, |
|
|
|
| 199732, |
|
|
|
| 234566, |
|
|
|
| D242628, |
Apr 26 1974 |
Comalco Products Pty. Limited |
Wall stud |
| D318793, |
Sep 14 1988 |
|
Clamp for securing plastic over windows |
| D359365, |
Dec 16 1993 |
|
Ladder support and leveler |
| D364930, |
Dec 23 1994 |
|
Ladder extension |
| D371608, |
Jun 02 1995 |
|
Ladder leveler |
| D378347, |
Nov 29 1994 |
WOODSTOCK INTERNATIONAL, INC |
Sticker |
| D380277, |
Oct 30 1995 |
|
Ladder extension |
| D420752, |
Jul 09 1998 |
|
Scaffolding leg extension |
| D443198, |
Jun 23 2000 |
Snyder National, Inc. |
Adjustable duct bracket |
| D468448, |
Feb 01 2002 |
|
Adjustable ladder leg attachment |
| D485369, |
Apr 28 2003 |
|
Pair of leveling ladder leg attachments |
| D498855, |
Feb 26 2004 |
MSPH PTY LTD |
Safety post |
| D557112, |
Nov 02 2005 |
Hunter Douglas Industries BV |
Mounting profile for the head rail of a covering for an architectural opening |
| D584422, |
Jan 14 2006 |
WERNER CO |
Ladder leveler stile |
| D586479, |
Aug 31 2006 |
Serenus Johnson Portables, LLC |
Intermediate purlin |
| D599193, |
Jan 15 2009 |
Robroy Industries - Texas, LLC |
Bracket |
| D599194, |
Jan 15 2009 |
Robroy Industries - Texas, LLC |
Bracket |
| D599272, |
Oct 22 2008 |
|
Holding device for use in automobiles |
| D623342, |
Jan 18 2010 |
KLUS LLC |
External housing for LED-based linear lighting apparatus |
| D639585, |
Jul 17 2009 |
Sanmina-SCI Corporation |
Structural member for a rack |
| D656251, |
Dec 03 2010 |
USG INTERIORS, LLC |
Seismic expansion sleeve for suspended ceilings |
| D657073, |
Mar 27 2009 |
|
Corner bead |
| D702534, |
Nov 11 2011 |
RAPID DISPLAYS, INC |
Display bracket |
| D702860, |
Aug 13 2012 |
Bailey Metal Products Limited |
Resilient channel |
| D709628, |
Dec 21 2012 |
Bailey Metal Products Limited |
Track member |
| D709629, |
Dec 21 2012 |
Bailey Metal Products Limited |
Framing member |
| D718875, |
May 17 2013 |
LOUISVILLE LADDER INC |
Step for a ladder |
| D757141, |
Mar 06 2015 |
ACTRON MANUFACTURING, INC |
Linear friction slide |
| D782709, |
Apr 29 2015 |
AMERICAN ROLL FORMED PRODUCTS CORP |
Metal plank |
| D796063, |
Nov 04 2015 |
PINKWOOD LTD |
I-joist |
| D808042, |
Sep 07 2016 |
LANZAFAME, PHILIP F |
Adjustable ladder extension |
| D811855, |
May 05 2017 |
AGILE OILFIELD SERVICES, LLC |
Bar for elongated members |
| D819230, |
Oct 19 2016 |
LANZAFAME, PHILIP F |
Ladder stabilizer |
| D832494, |
Aug 09 2017 |
LINMORE LABS LED, INC |
Lighting module heatsink |
| D843600, |
Jan 31 2017 |
MIDWEST COOLING TOWERS, INC |
Support beam for cooling tower fill assembly |
| D846155, |
Dec 01 2017 |
METALTECH-OMEGA INC |
Antislip step |
| D846971, |
Sep 25 2015 |
Innovation First, Inc. |
Rail for use in a server equipment rack |