Dry compaction bit for earth boring

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

FIG. 1 is a front perspective view of the dry compaction bit for earth boring embodying my new design;

FIG. 2 is a top plan view of the dry compaction bit for earth boring as shown in FIG. 1;

FIG. 3 is a front view of the dry compaction bit for earth boring as shown in FIG. 1;

FIG. 4 is a rear view of the dry compaction bit for earth boring as shown in FIG. 1; and,

FIG. 5 is a bottom plan view of the dry compaction bit for earth boring as shown in FIG. 1.

Claims

The ornamental design for a dry compaction bit for earth boring, as shown.

Referenced Cited
U.S. Patent Documents
RE23539 August 1952 Tilden
2635856 April 1953 Scheffer
2673717 March 1954 Bacon
2856157 October 1958 Chapin et al.
3269471 August 1966 Alexander
3447616 June 1969 Granat
4051905 October 4, 1977 Kleine
4314616 February 9, 1982 Rauckhorst et al.
4889200 December 26, 1989 Moser
5390750 February 21, 1995 Deken et al.
5487434 January 30, 1996 Obermeier
5553682 September 10, 1996 Batliner et al.
6089337 July 18, 2000 Kleine et al.
6129162 October 10, 2000 Hauptmann
6571890 June 3, 2003 Obermeier
6868924 March 22, 2005 Haussmann et al.
D531650 November 7, 2006 Switzer
Patent History
Patent number: D557290
Type: Grant
Filed: Oct 6, 2006
Date of Patent: Dec 11, 2007
Inventor: Douglas Melegari (Southampton, NJ)
Primary Examiner: Mitchell Siegel
Assistant Examiner: Mark Goodwin
Attorney: Sperry, Zoda & Kane
Application Number: 29/267,193