Drill head for deep hole drilling

Inventors
- Katsushi Fujii
Original Assignees
- Ayabo Corporation
Examiners
- Palasik; Patricia
Agents
- Quarles & Brady LLP
- Milczarek-Desai; Gavin J.

Information

FIG. 1 is a front perspective view of the drill head design.

FIG. 2 is a front elevational view of the drill head design.

FIG. 3 is a rear elevational view of the drill head design.

FIG. 4 is a left side elevational view of the drill head design.

FIG. 5 is a right side elevational view of the drill head design.

FIG. 6 is a top view of the drill head design; and,

FIG. 7 is a bottom view of the drill head design.

The broken line showing on the drawing disclosure is for illustrative purposes only and forms no part of the claimed design.

The ornamental design for a drill head for deep hole drilling, as shown and described.

Number	Date	Country	Kind
2010-027217	Nov 2010	JP	national

Number	Name	Date	Kind
4076445	Kress et al.	Feb 1978	A
D496948	Charland et al.	Oct 2004	S
D504141	Charland et al.	Apr 2005	S
D525634	Kotala	Jul 2006	S
7645102	Nomura et al.	Jan 2010	B2
D639320	Frejd	Jun 2011	S
D649988	Frejd	Dec 2011	S
8347988	Gilbert et al.	Jan 2013	B2
20100040425	Nomura et al.	Feb 2010	A1
20110280675	Nomura et al.	Nov 2011	A1
20130051944	Wenzelburger et al.	Feb 2013	A1

Number	Date	Country
2008-334663	Jul 2010	JP

Entry
The Clip from the Magazine “The Leader of Tool Tech”, in Apr. 2010.
C-1202:1—The Brochure issued by Sandvik, a Swedish company, in Dec. 2009.
The Brochure issued by Unitac Incorporated, a Japanese company, in Feb. 2010.