Patent
   D277862
Priority
Oct 19 1978
Filed
Sep 03 1981
Issued
Mar 05 1985
Expiry
Mar 05 1999
Assg.orig
Entity
unknown
9
2
n/a
The ornamental design for an agricultural sweep, substantially as shown and described.

FIG. 1 is a plan view of the upper surface of an agricultural sweep showing our new design;

FIG. 2 is a side elevation view of the sweep;

FIG. 3 is a bottom plan view of the sweep;

FIG. 4 is a front elevation view of the sweep;

FIG. 5 is a rear elevation view of the sweep;

FIG. 6 is a perspective view of the upper surface of an agricultural sweep showing a second embodiment of our new design;

FIG. 7 is a side elevation view of the sweep shown in FIG. 6;

FIG. 8 is a front elevation view of the sweep shown in FIG. 6;

FIG. 9 is a plan view of the upper surface of the sweep shown in FIG. 6;

FIG. 10 is a rear elevation view of the sweep shown in FIG. 6; and

FIG. 11 is a perspective view of the lower surface of the sweep shown in FIG. 6.

Johnson, William M., Lindsay, Allan

Patent Priority Assignee Title
4787462, Jan 21 1987 Nichols Tillage Tools, Inc. Cultivator sweep
5979568, Sep 23 1998 Ralph McKay Industries Inc. Agricultural sweep having reinforcing ridge
D285206, Jun 29 1984 RALPH MCKAY CANADA LIMITED Agricultural implement
D285691, Jun 29 1984 RALPH MCKAY CANADA LIMITED Agricultural implement
D374018, Nov 26 1993 F. P. Bourgault Tillage Tools Ltd. Ground opener tool
D480734, Sep 13 2002 Deere & Company Cultivator sweep
D558237, Jun 08 2006 AUSPLOW PTY LTD Plough digging adapter and blade assembly
D915472, Jun 10 2020 Tractor bucket adapter system
D952004, Feb 01 2021 Tillage sweep
Patent Priority Assignee Title
1787366,
AU106027,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 25 1981JOHNSON, WILLIAM M Ralph McKay LimitedASSIGNMENT OF ASSIGNORS INTEREST 0039170668 pdf
Aug 25 1981LINDSAY, ALLANRalph McKay LimitedASSIGNMENT OF ASSIGNORS INTEREST 0039170668 pdf
Sep 03 1981Ralph McKay Limited(assignment on the face of the patent)
Sep 20 1993MCKAY AUSTRALIA LIMITED FORMERLY RALPH MCKAY LIMITED RALPH MCKAY CANADA LIMITEDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0068420304 pdf
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