Title:
Ladder
United States Patent D745191
Inventors:
Green, Jeffrey Alan (Bartlesville, OK, US)
Application Number:
29/491899
Publication Date:
12/08/2015
Filing Date:
05/27/2014
Assignee:
LOCK N CLIMB, LLC (Bartlesville, OK, US)
Primary Class:
International Classes:
(IPC1-7): 2504
Field of Search:
D25/62, D25/64
View Patent Images:
US Patent References:
8640827Adjustable scaffold baseFebruary, 2014Breithaupt, Jr.
8365865Adjustable ladders and related methodsFebruary, 2013Moss et al.
8127890Flat-fold step stoolMarch, 2012Meyers et al.
D650915Brace for a step of a stepladderDecember, 2011Gross et al.
8002084StepladderAugust, 2011Huang
20110067954Ladder Safety DeviceMarch, 2011Deal
20100147623LADDER STABILIZATION SYSTEMJune, 2010Pocos
D610709Ladder extensionFebruary, 2010Lamb
20090107765Extension ladder stabilizerApril, 2009Germond
20090045013Ladder stabilizerFebruary, 2009McMurray
7487859Combination hand truck ladderFebruary, 2009Wang
D576290Step ladderSeptember, 2008Meyers et al.
D565745Step stoolApril, 2008Meyers et al.
20080000720LADDER ANCHORING SYSTEMJanuary, 2008Porch et al.
7293630Ladder stabilization deviceNovember, 2007Trebec
20070181370Stabilized ladderAugust, 2007Kemp-Banks
7163084Adjustable ladder stabilizerJanuary, 2007Blehm
20060272899LadderDecember, 2006Chang
7017711Method for extending the leg of a ladder and apparatus thereforMarch, 2006Ali
6959785Stabilizing system for ladders and scaffoldingNovember, 2005Chilton
6948591Support apparatus or accessory for a ladderSeptember, 2005Scott et al.
6688426Wheel extension and lift device for laddersFebruary, 2004Mikros
D485369Pair of leveling ladder leg attachmentsJanuary, 2004Ranagan et al.
6595326Ladder leveling deviceJuly, 2003Dean
6533071Ladder with incorporated stabilizersMarch, 2003Smith
6450290Folding ladderSeptember, 2002Spak
6382353Slip prevention device for laddersMay, 2002Laug
20010015303Slip prevention device for laddersAugust, 2001Laug
6019191Ladder support systemFebruary, 2000Flores
D413681Scaffold unitSeptember, 1999Zumwalt
5752581Ladder stepMay, 1998Orchowski
5590739Adjustable extension stepladderJanuary, 1997High et al.
5551529Ladder stabilizerSeptember, 1996Molitor
5522473Ladder stabilizing deviceJune, 1996Moselsky
5507364Ladder levelerApril, 1996Spevak
5423397Ladder stabilizerJune, 1995Boughner
D359366Ladder levelerJune, 1995Spevak
5370204Collapsible ladder for automotive paintingDecember, 1994Fox
5341899Anti-skid and leveling device for laddersAugust, 1994Casamento
5335754Self-levelling ladderAugust, 1994Gibson
5267631Scaffold stabilizer apparatusDecember, 1993Mendel
5195610Bidirectionally foldable step ladderMarch, 1993Chang
5165501Ladder support attachmentNovember, 1992Donahey
5112043Physical therapy apparatusMay, 1992Gilfillian, Jr.
5086876Foot actuated ladder braceFebruary, 1992Severson
5033584All-purpose ladderJuly, 1991Battle
4971167Ladder support apparatusNovember, 1990Winnard
4949809Extendable pole locking mechanism for ladder stabilizerAugust, 1990Levi et al.
4899849Ladder stabilizerFebruary, 1990Levi et al.
4807720Ladder leveling attachmentFebruary, 1989Kim
4798262Tripodal supportJanuary, 1989Margolies
D295222LadderApril, 1988Rudolph
4723629Extension ladder with auxiliary extension leg and supporting legsFebruary, 1988Vanden Hoek et al.
4669576Safety ladder footJune, 1987Jones
4569419Foldable stepladderFebruary, 1986Stoltz
4565262Ladder apparatusJanuary, 1986Hawkins
4542874Bracket for a work platformSeptember, 1985Ronning
4520896Foldable ladderJune, 1985Disston
4483415Folding stepladderNovember, 1984Disston et al.
4421206LadderDecember, 1983Kummerlin
4244446Adjustable ladder supportJanuary, 1981Mair
4207886Ladder adjusting and stabilizing apparatusJune, 1980Sorenson
4147231Ladder stabilizing deviceApril, 1979Chantler et al.
4069893Ladder stabilizer and levelerJanuary, 1978Blackstone
3933221Ladder adjusting and stabilizing apparatusJanuary, 1976Sorenson
3882966Ladder adapter deviceMay, 1975Fasano
3768592MULTI-PURPOSE LADDER ASSEMBLYOctober, 1973Higgins
3508628LADDER WITH STABILIZER MEANSApril, 1970Conrad
3374860Self-leveling ladder attachmentMarch, 1968Stewart
3288248Pool ladderNovember, 1966Gurian et al.
2934163Ladder attachmentApril, 1960Ladewski
2887260Combination step and extension ladderMay, 1959McKinnie
2584197Convertible ladderFebruary, 1952Garner
2574286Ladder braceNovember, 1951Rein
2471110Ladder for hanging paperMay, 1949Jenkins
2129401Flexible utility ladderSeptember, 1938Botinger et al.
2007057StepladderJuly, 1935McNeal
1812119Universal ladderJune, 1931Ruse
1811722LadderJune, 1931Kimberlin
1521814Safety attachment for laddersJanuary, 1925Houska
1385319LadderJuly, 1921Enke
0886737EXTENSION STEP-LADDER.May, 1908Taylor
0840365LADDER.January, 1907Pease
0799782LADDER-SUPPORT.September, 1905Ellinger
0515783N/AMarch, 1894Moore
0475935N/AMay, 1892Crews
0281977N/AJuly, 1886Coons
0202426N/AApril, 1878Evans
Foreign References:
GB2099060December, 1982AN ATTACHMENT FOR A LADDER
GB2146688April, 1985LADDER STABILIZERS
GB2166793May, 1986STABILIZING MEANS FOR LADDERS
GB2218451November, 1989STEP LADDER
Other References:
PCT/US10/29606—International Bureau Preliminary Report on Patentability dated Oct. 31, 2011.
PCT/US10/29606—ISR dated May 21, 2010.
PCT/US11/50882—ISR and Opinion dated Jan. 5, 2012.
Primary Examiner:
Clark, Doris
Attorney, Agent or Firm:
Katten Muchin Rosenman LLP
Claims:
CLAIM

1. The ornamental design for the ladder, as shown and described.

Description:

FIG. 1 is a front perspective view of a ladder of the present invention in an extended position;

FIG. 2 is a frontal view of the ladder;

FIG. 3 is a rear view of the ladder;

FIG. 4 is a first side view of the ladder;

FIG. 5 is a second side view of the ladder;

FIG. 6 is a top view of the ladder;

FIG. 7 is a bottom view of the ladder; and,

FIG. 8 is a front perspective view of the ladder in a collapsed position.

The broken lines shown in the views are for illustrative purposes only and form no part of the claimed design.