Patent
   D966359
Priority
Mar 27 2019
Filed
Sep 25 2019
Issued
Oct 11 2022
Expiry
Oct 11 2037
Assg.orig
Entity
unknown
2
21
n/a
The ornamental design for a cutting edge for drilling tool, as shown and described.

FIG. 1 is a front view of a cutting edge for drilling tool of a first embodiment showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a first perspective view thereof;

FIG. 8 is a second perspective view thereof;

FIG. 9 is a referential view showing the state in use thereof;

FIG. 10 is an enlarged view of the portion 10 in FIG. 9;

FIG. 11 is a front view of a cutting edge for drilling tool of a second embodiment showing our new design;

FIG. 12 is a rear view thereof;

FIG. 13 is a right side view thereof;

FIG. 14 is a left side view thereof;

FIG. 15 is a top view thereof;

FIG. 16 is a bottom view thereof;

FIG. 17 is a first perspective view thereof;

FIG. 18 is a second perspective view thereof;

FIG. 19 is a referential view showing the state in use thereof; and,

FIG. 20 is an enlarged view of the portion 20 in FIG. 19.

The broken lines shown in views represent portions of the cutting edge for drilling tool that form no part of the claimed design.

Ueda, Akihiko, Abe, Machiko, Tanigawa, Yoshinori

Patent Priority Assignee Title
ER7995,
ER8816,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 02 2019UEDA, AKIHIKOSUMITOMO ELECTRIC HARDMETAL CORP ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0504820675 pdf
Sep 02 2019TANIGAWA, YOSHINORISUMITOMO ELECTRIC HARDMETAL CORP ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0504820675 pdf
Sep 02 2019ABE, MACHIKOSUMITOMO ELECTRIC HARDMETAL CORP ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0504820675 pdf
Sep 25 2019SUMITOMO ELECTRIC HARDMETAL CORP.(assignment on the face of the patent)
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