Pocket protecting retainable cutter bit

Description

FIG. 1 is a perspective view of a pocket protecting retainable cutter bit showing our new design in use condition mounted in a series connected to an auger;

FIG. 2 is an enlarged perspective view of a pocket protecting retainable cutter bit;

FIG. 3 is a front view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a right-side view thereof; and,

FIG. 8 is a left-side view thereof.

The application relates to the design of a cutter bit. The cutter bit has a tapered, cylindrical cutting section which terminates in a point and has a skirt section tapering outward near its midpoint. The other end of the cutter bit is cylindrical with two areas of lesser diameter than the surrounding areas. In the area closer to the skirt section there is an encircling hollow cylinder with an opening defined by opposing square-shaped projecting sections.

The unique design and appearance of this device are illustrated in the drawings.

The broken line showing of the augur and multiple cutting bits in FIG. 1 is included for the purpose of illustrating environmental use only and forms no part of the claimed design.

Claims

CLAIM The ornamental design for a pocket protecting retainable cutter bit, as shown and described.

---

Inventors:	Watson; Richard Wayne (Lakeside, CA), Porturas; Luis Miguel (El Cajon, CA)
Appl. No.:	D/334,464
Filed:	March 27, 2009

---

Current U.S. Class:	D15/21
Current International Class:	1503
Field of Search:	;D15/21,29 ;299/103-111,112R,112T,79.1,113 ;175/427,435,414 ;37/452,453,465,450,446

---

References Cited [Referenced By]

---

U.S. Patent Documents

3841708	October 1974	Kniff et al.
3865437	February 1975	Crosby
3957307	May 1976	Varda
4944559	July 1990	Sionnet et al.
5415462	May 1995	Massa
5931542	August 1999	Britzke et al.
6000153	December 1999	Sollami
6164728	December 2000	Sollami
6170917	January 2001	Heinrich et al.
6341823	January 2002	Sollami
6357832	March 2002	Sollami
6478383	November 2002	Ojanen et al.
D471211	March 2003	Sollami
RE38151	June 2003	Penkunas et al.
6692083	February 2004	Latham
6851758	February 2005	Beach
6966611	November 2005	Sollami
6994404	February 2006	Sollami
7150505	December 2006	Sollami
7172256	February 2007	Sleep et al.
7229136	June 2007	Sollami
2002/0092210	July 2002	Sollami
2003/0209366	November 2003	McAlvain
2004/0026132	February 2004	Hall et al.
2004/0065484	April 2004	McAlvain

Primary Examiner: Reid; Stella M
Assistant Examiner: Goodwin; Mark A
Attorney, Agent or Firm: Hanscom; Eric Langford; Todd