Patent
   D706844
Priority
Aug 17 2012
Filed
Feb 16 2013
Issued
Jun 10 2014
Expiry
Jun 10 2028

TERM.DISCL.
Assg.orig
Entity
unknown
3
9
n/a
The ornamental design for a percussion drill, as shown and described.

FIG. 1 is a right side elevational view of a percussion drill showing our new design;

FIG. 2 is a perspective view showing the design for the percussion drill of FIG. 1;

FIG. 3 is another right side elevational view showing the design for the percussion drill of FIG. 1;

FIG. 4 is a front elevational view showing the design for the percussion drill of FIG. 1;

FIG. 5 is a rear elevational view showing the design for the percussion drill of FIG. 1; and,

FIG. 6 is a top elevational view showing the design for the percussion drill of FIG. 1.

The broken lines shown in the drawings are included for the purpose of illustrating unclaimed portions of the percussion drill and form no part of the claimed design.

Qiu, Xiao, Wohlhauser, Yan, Spenke, Andreas

Patent Priority Assignee Title
D735784, Jul 19 2013 Element Six Limited Mill tool
D735785, Jul 19 2013 Element Six Limited Mill tool
D736279, Jul 19 2013 Element Six Limited Mill tool
Patent Priority Assignee Title
4051905, Mar 28 1974 Gerbruder Heller Drill for percussion drilling machines
4210215, Aug 04 1977 Hawera Probst GmbH & Co. Rock drill with helical dust conveying groove
20030138305,
20050098358,
20100135741,
20100183391,
20110168453,
D664167, Aug 02 2010 HELLER TOOLS GMBH Head portion of rock drill
D678369, Feb 18 2010 Black & Decker Inc Drill bit
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 16 2013Robert Bosch GmbH(assignment on the face of the patent)
Mar 11 2013WOHLHAUSER, YANRobert Bosch GmbHASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0305400316 pdf
Apr 23 2013SPENKE, ANDREASRobert Bosch GmbHASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0305400316 pdf
May 15 2013QIU, XIAORobert Bosch GmbHASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0305400316 pdf
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