Patent
   D250086
Priority
Nov 15 1976
Filed
Nov 15 1976
Issued
Oct 31 1978
Expiry
Oct 31 1992
Assg.orig
Entity
unknown
6
7
n/a
The ornamental design for a chain saw sharpening device, as shown.

FIG. 1 is a perspective view showing my new design for a chain saw sharpening device it being understood that the broken lines are for illustrative purposes only.

FIG. 2 is a top plan view thereof.

FIG. 3 is a front elevational view thereof.

FIG. 4 is a bottom plan view thereof.

FIG. 5 is a rear elevational view thereof.

FIG. 6 is a right side elevational view thereof.

FIG. 7 is a left side elevational view thereof.

Granberg, Elof

Patent Priority Assignee Title
7114413, Aug 29 2005 Portable band saw sharpener
8746118, Jul 08 2008 OREGON TOOL, INC Chain link sharpening method and apparatus
8932114, Mar 04 2011 OREGON TOOL, INC Chain link sharpening method and apparatus
9192997, Jul 08 2008 OREGON TOOL, INC Bar mounted sharpener
D663602, Jan 21 2010 OREGON TOOL, INC Saw chain sharpening stone and holder
D983638, Apr 26 2021 Nipper sharpener
Patent Priority Assignee Title
2896481,
2900850,
3038355,
3089351,
3172306,
3768341,
DE1527016,
/
Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 15 1986FIRST FIDELITY BANK, N A GRANBERG PUMP AND METER, LTD TO AMEND EXHIBIT A TO SECURED PARTY BILL OF SALE DATED DEC 30, 1983 TO REFLECT PATENTS AND TRADEMARKS RECITED IN EXHIBIT I 0046240592 pdf
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