Spade type boring bit
Dost , et al. November 24, 2
U.S. patent number D604,751 [Application Number D/336,706] was granted by the patent office on 2009-11-24 for spade type boring bit. This patent grant is currently assigned to Robert Bosch GmbH. Invention is credited to Hagen Walter Dost, Javier Ibarra, Patrick Michael McAuliffe, Kenneth C. Osberg.
| United States Patent | D604,751 |
| Dost , et al. | November 24, 2009 |
Spade type boring bit
Claims
CLAIM The ornamental design for a spade type boring bit, as shown and described.
| Inventors: | Dost; Hagen Walter (Chicago, IL), Ibarra; Javier (Schaumburg, IL), McAuliffe; Patrick Michael (Chicago, IL), Osberg; Kenneth C. (Lake In The Hills, IL) |
|---|---|
| Assignee: | Robert Bosch GmbH (Stuttgart,
DE) |
| Appl. No.: | D/336,706 |
| Filed: | May 7, 2009 |
Related U.S. Patent Documents
| Application Number | Filing Date | Patent Number | Issue Date | ||
|---|---|---|---|---|---|
| 29312124 | Sep 30, 2008 | ||||
| Current U.S. Class: | D15/139 |
| Current International Class: | 1509 |
| Field of Search: | ;D15/138,139,140 ;408/211-214,225-230 |
References Cited [Referenced By]
U.S. Patent Documents
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Assistant Examiner: Palasik; Patricia
Attorney, Agent or Firm: Greer, Burns & Crain, Ltd.
Description
FIG. 1 is a perspective view of a spade type boring bit;
FIG. 2 is an elevation view taken along a line perpendicular to the cutting blade portion of the tool shown in FIG. 1;
FIG. 3 is an elevation view taken along the line of the cutting blade portion of the tool shown in FIG. 1;
FIG. 4 is a top view of the tool shown in FIG. 1; and,
FIG. 5 is a bottom view of the tool shown in FIG. 1.
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