Patent
   D308683
Priority
Sep 15 1987
Filed
Sep 15 1987
Issued
Jun 19 1990
Expiry
Jun 19 2004
Assg.orig
Entity
unknown
29
3
n/a
The ornamental design for an earth working pick for graders or the like, as shown.

FIG. 1 is a rear elevational view of an earth working pick for graders or the like, showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a front perspective view thereof; and

FIG. 5 is a rear perspective view thereof.

Meyers, Thomas A.

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5224555, Dec 18 1991 ESCO BUCYRUS, INC Wear element for a scraping operation
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9708856, Aug 11 2006 Smith International, Inc. Downhole drill bit
9915102, Aug 11 2006 Schlumberger Technology Corporation Pointed working ends on a bit
D566137, Aug 11 2006 HALL, DAVID R , MR Pick bolster
D699269, Aug 01 2012 BEAVER MULCHING INC Combined mulching tooth and holder
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D890816, Apr 13 2018 Caterpillar Inc. Bit for a ground engaging machine implement
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Patent Priority Assignee Title
1890997,
2145663,
234436,
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