|Publication number||USD620510 S1|
|Application number||US 29/304,177|
|Publication date||Jul 27, 2010|
|Filing date||Feb 26, 2008|
|Priority date||Mar 23, 2006|
|Publication number||29304177, 304177, US D620510 S1, US D620510S1, US-S1-D620510, USD620510 S1, USD620510S1|
|Inventors||David R. Hall|
|Original Assignee||Schlumberger Technology Corporation|
|Referenced by (1), Classifications (2) |
|External Links: USPTO, USPTO Assignment, Espacenet|
US D620510 S1
The ornamental design for a drill bit, as shown and described.
FIG. 1 is a bottom perspective view of the drill bit.
FIG. 2 is a side view of the drill bit with an enlarged detail; and,
FIG. 3 is a perspective view of the drill bit.
The broken line showing of the drill bit is included for the purpose of illustrating portions of the drill bit and forms no part of the claimed invention.
|Citing Patent||Filing date||Publication date||Applicant||Title|
|US8020471 *||Feb 27, 2009||Sep 20, 2011||Schlumberger Technology Corporation||Method for manufacturing a drill bit|