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
D661322, Oct 25 2007 Dovsan Dovme Celik ve Metal San ve Tic. Limited Sirketi Tractor linkage hook
D868845, May 10 2017 Oilquick AB Safety hooks for construction machinery
D977377, Jun 15 2022 QINGDAO HONGMAI MACHINERY CO., LTD. Tractor shackle
ER6827,
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,
////
Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 25 2008Dovsan Dovme Celik ve Metal San. ve Tic. Limited Sirketi(assignment on the face of the patent)
Jul 08 2008ERGODAN, MEHMETDOVSAN DOVME CELIK VE METAL SAN VE TIC LIMITED SIRKETIASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0213510345 pdf
Jul 08 2008ERGODAN, MESUTDOVSAN DOVME CELIK VE METAL SAN VE TIC LIMITED SIRKETIASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0213510345 pdf
Jul 08 2008CAKMAKCI, MUZAFFERDOVSAN DOVME CELIK VE METAL SAN VE TIC LIMITED SIRKETIASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0213510345 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule