Pocket protecting retainable cutter bit

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
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

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

Referenced Cited
U.S. Patent Documents
3841708 October 1974 Kniff et al.
3865437 February 1975 Crosby
3957307 May 18, 1976 Varda
4944559 July 31, 1990 Sionnet et al.
5415462 May 16, 1995 Massa
5931542 August 3, 1999 Britzke et al.
6000153 December 14, 1999 Sollami
6164728 December 26, 2000 Sollami
6170917 January 9, 2001 Heinrich et al.
6341823 January 29, 2002 Sollami
6357832 March 19, 2002 Sollami
6478383 November 12, 2002 Ojanen et al.
D471211 March 4, 2003 Sollami
RE38151 June 24, 2003 Penkunas et al.
6692083 February 17, 2004 Latham
6851758 February 8, 2005 Beach
6966611 November 22, 2005 Sollami
6994404 February 7, 2006 Sollami
7150505 December 19, 2006 Sollami
7172256 February 6, 2007 Sleep et al.
7229136 June 12, 2007 Sollami
20020092210 July 18, 2002 Sollami
20030209366 November 13, 2003 McAlvain
20040026132 February 12, 2004 Hall et al.
20040065484 April 8, 2004 McAlvain
Patent History
Patent number: D601592
Type: Grant
Filed: Mar 27, 2009
Date of Patent: Oct 6, 2009
Inventors: Richard Wayne Watson (Lakeside, CA), Luis Miguel Porturas (El Cajon, CA)
Primary Examiner: Stella M Reid
Assistant Examiner: Mark A Goodwin
Attorney: Eric Hanscom
Application Number: 29/334,464