Title:
Drilling tool
Document Type and Number:
United States Patent D547778
Inventors:
Hodges, William G. (87 Coachman Way, Sherwood Park, Alberta, CA)
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Application Number:
D/246747
Publication Date:
07/31/2007
Filing Date:
05/08/2006
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Export Citation:
Primary Class:
International Classes:
(IPC1-7): 1509
Field of Search:
D15/139, 175/417, 299/79.1, 175/393, 175/430, 175/339, 175/429, 175/415, 175/420.1, 175/378, 175/377, 175/418, D15/140, D15/138, 407/118
US Patent References:
| 2086751 | Earth boring bit | July, 1937 | Taylor | 175/339 |
| D118877 | February, 1940 | Hokanson | D15/139 | |
| 2976944 | Percussion drill bit | March, 1961 | Bassinger | 175/420.1 |
| 4098362 | Rotary drill bit and method for making same | July, 1978 | Bonnice | 175/430 |
| 4385669 | Integral blade cylindrical gauge stabilizer reamer | May, 1983 | Knutsen | |
| 4598779 | Rock drill bit | July, 1986 | Liljekvist et al. | 175/415 |
| 5145017 | Kerf-cutting apparatus for increased drilling rates | September, 1992 | Holster et al. | 175/393 |
| 5474143 | Drill bit reamer stabilizer | December, 1995 | Majkovic | |
| D382887 | Back drilling threaded bit | August, 1997 | Hollar et al. | D15/139 |
| 5722496 | Removable guide member for guiding drill string components in a drill hole | March, 1998 | Connell et al. | |
| 5819862 | Downhole components for use in subsurface drilling | October, 1998 | Matthias et al. | |
| 6039127 | Rock drill | March, 2000 | Myers | 175/425 |
| 6209667 | Drill string fitting | April, 2001 | Murray et al. | |
| 6213229 | Drilling motor drill bit reaming stabilizer | April, 2001 | Majkovic | |
| 6234261 | Method of applying a wear-resistant layer to a surface of a downhole component | May, 2001 | Evans et al. | |
| D454143 | Drill bit | March, 2002 | Åsberg | D15/139 |
| 6494275 | Rock drill bit having retrac teeth and method for its manufacturing | December, 2002 | Åsberg et al. | 175/415 |
| D496948 | Square drill bit | October, 2004 | Charland et al. | D15/139 |
| 20020112894 | Bit for horizontal boring | August, 2002 | Caraway | 175/385 |
Other References:
SII Smith Services, Reamer-Drilling On Gauge (DOG TM) Sub, excerpt of internet site: www.siismithservices.com/b—products/product—page.asp?ID=30, printed Jan. 18, 2005 (2 pages).
Walea Holdings Inc., Stabi-Sub, excerpt of internet site: www.waleaholdings.com/stabisub.html, printed Jan. 18, 2005 (1 page).
United Diamond Drilling Solutions, TruGauge TM, excerpt of internet site: www.united-diamond.com/trugauge.htm, printed Jan. 26, 2005 (1 page).
Cougar Tool, product sheet of Bit Bull (2 pages).
Walea Holdings Inc., Stabi-Sub, excerpt of internet site: www.waleaholdings.com/stabisub.html, printed Jan. 18, 2005 (1 page).
United Diamond Drilling Solutions, TruGauge TM, excerpt of internet site: www.united-diamond.com/trugauge.htm, printed Jan. 26, 2005 (1 page).
Cougar Tool, product sheet of Bit Bull (2 pages).
Primary Examiner:
Davis, Antoine D.
Assistant Examiner:
Palasik, Patricia
Attorney, Agent or Firm:
Tomkins, Donald V.
Claims:
CLAIM
1. The ornamental design for a drilling tool, as shown and described.
1. The ornamental design for a drilling tool, as shown and described.
Description:
FIG. 1 is a first elevation view of a drilling tool in accordance with the design.
FIG. 2 is a second elevation of the drilling tool of FIG. 1, viewed from a different angle.
FIG. 3 is a top plan view of the drilling tool; and,
FIG. 4 is a bottom plan view of the drilling tool.
It is to be understood that broken lines in the drawings are intended for illustrative purposes only, and do not form part of the claimed design.