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Patent
D620501
Priority
Oct 25 2007
Filed
Apr 25 2008
Issued
Jul 27 2010
Expiry
Jul 27 2024
Assg.orig
Entity
unknown
4
20
n/a
The ornamental design for a tractor linkage hook , as shown and described.
FIG. 1 is a top plan view of a tractor linkage hook showing my new design;
FIG. 2 is a perspective view thereof;
FIG. 3 is a side view thereof;
FIG. 4 is an opposite side view thereof; and,
FIG. 5 is a bottom perspective view thereof.
The rear view forms no part of the claimed design.
The broken line showing in FIGS. 2 , 4 , and 5 is included for the purpose of illustrating portions of the tractor linkage hook and forms no part of the claimed design.
Ergodan, Mehmet , Ergodan, Mesut , Cakmakci, Muzaffer
Patent
Priority
Assignee
Title
2295021 ,
2429761 ,
2431694 ,
3977698 ,
Mar 26 1974
Jean Walterscheid GmbH
Coupling hook for a tractor three-point hitch
4014562 ,
Mar 11 1975
Jean Waltersheid GmbH
Coupling hook for a three-point connection on a tractor
4023822 ,
Feb 28 1976
Jean Walterscheid GmbH
Coupling hook for a guide member of a tractor three-point attachment
4050715 ,
Oct 08 1975
Jean Walterscheid GmbH
Coupling hook for a guide member of a three-point attachment of a tractor
4071263 ,
Apr 17 1976
Jean Walterscheid GmbH
Coupling hook for a three-point connection on a tractor
4108464 ,
Apr 27 1976
Jean Walterscheid GmbH
Coupling hook for a three-point attachment of a tractor
4147374 ,
Jun 05 1976
Jeffes Engineering Limited
Drawbar
4157838 ,
Oct 08 1976
Coupling hook for farm tractors
4279431 ,
Jul 22 1978
GKN Walterscheid GmbH
Coupling hook
4366967 ,
Dec 19 1979
Jean Walterscheid GmbH
Coupling hook assembly
4398745 ,
Jun 01 1981
CASE CORPORATION, A CORP OF DELAWARE
Three point hitch lower link claw
5050684 ,
Apr 15 1989
GKN Walterscheid GmbH
Coupling hook
5441117 ,
Oct 23 1992
GKN Walterscheid GmbH
Coupling hook for the lower steering arms of a three-point attaching device of a tractor
5497835 ,
May 12 1993
GKN Walterscheid GmbH
Coupling hook for the lower steering arms of a three-point attaching device of a tractor
6422322 ,
Oct 24 2000
Connector assembly for three-point hitch
7225883 ,
Jun 08 2004
Kabushiki Kaisha DELICA
Device for coupling implement to agricultural tractor
20050115723 ,
Date
Maintenance Fee Events
n/a
Date
Maintenance Schedule
n/a