PTO
Wrapper
PDF
Dossier
Espace
Google
Patent
D918425
Priority
May 17 2018
Filed
Feb 19 2020
Issued
May 04 2021
Expiry
May 04 2036
Assg.orig
Entity
unknown
0
28
n/a
The ornamental design for a tree ladder , as shown and described.
FIG. 1 shows a perspective view of a tree ladder;
FIG. 2 shows a front view of the tree ladder;
FIG. 3 shows a rear view of the tree ladder;
FIG. 4 shows a left side view of the tree ladder;
FIG. 5 shows a right side view of the tree ladder;
FIG. 6 shows a top plan view of the tree ladder; and,
FIG. 7 shows a bottom plan view of the tree ladder.
The tree ladder is shown with symbolic breaks in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design.
Zarem, Kary
Patent
Priority
Assignee
Title
Patent
Priority
Assignee
Title
1994369 ,
2870948 ,
3407900 ,
3715012 ,
3828889 ,
4363378 ,
Dec 03 1979
Ladder securing devices and ladder assembly
4836331 ,
May 12 1988
Ladder safety device-antislip
4946004 ,
Oct 16 1989
Pole gripping ladder stabilizing device
5054579 ,
Aug 24 1990
Ladder having an anchoring system
5460240 ,
Oct 13 1993
Mississippi Power Company
Stabilized ladder and platform
5638916 ,
Jul 24 1996
Ladder safety attachment
6244382 ,
Apr 13 2000
Attachment for stabilizing an extension ladder
6354400 ,
Oct 14 1999
Abhijeet International, Inc.
Cylindrical surface gripping device for use with a ladder
6516918 ,
Sep 22 2000
Tree stand with cable support
6698546 ,
May 31 2002
SANDOR, FREDERICK J , SR
Ladder stabilizer and method of use
6729441 ,
Apr 03 2002
Extension ladder safety adapter
6830128 ,
Nov 01 2002
Temporary ladder tree stand anchor
7219766 ,
Jun 29 2004
DEUER DEVELOPMENTS, INC
Mid-span fall protection system
7237649 ,
Jan 05 2001
GOOD SPORTSMAN MARKETING, L L C
Tree ladder
7575097 ,
Jul 20 2006
CAM-K LLC
Ladder attachment
8348014 ,
Jun 26 2009
Verizon Patent and Licensing Inc.
Fall-arrest ladder system
8528695 ,
Jan 26 2011
Ladder safety systems
8695761 ,
Dec 01 2006
Cable-braced ladder tree stand
8997932 ,
Jan 22 2014
Climbing safety assembly
9593531 ,
Sep 18 2013
WING ENTERPRISES, INCORPORATED
Ladder securing apparatus, ladders incorporating same and related methods
20120024630 ,
D457650 ,
Aug 08 2001
Uneven surface ladder
D540474 ,
Feb 12 2004
Ebsco Industries, Inc
Modular hunting ladder
Executed on Assignor Assignee Conveyance Frame Reel Doc
Date
Maintenance Fee Events
n/a
Date
Maintenance Schedule
n/a