Drill bit
Granted 11 Jan 2011 · 2 office actions
Assignee: Boart Longyear
Law firm: Law firm · Log in to unlock
Attorney: Attorney · Log in to unlock
Inventors: Christian M. Lambert, Michael D. Rupp · Examiner: Patricia Palasik · AU 2915 · TC 2900
Life of the patent
26 dated eventsDescription
1 parts›FIG. 1 is a perspective view of a…
FIG. 1 is a perspective view of a drill bit design;
FIG. 2 is a top plan view of the drill bit design shown in FIG. 1 ;
FIG. 3 is a front elevational view of the drill bit design shown in FIG. 1 , the rear elevational view, right side elevational view and left side elevational view being identical thereto; and,
FIG. 4 is a bottom plan view of the drill bit design shown in FIG. 1 .
The phantom, broken lines shown in the drawings form part of the design that is not claimed herein.
Claims
1 · 1 independent · depth 1Classifications
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4 members · 4 offices›IP5 & PCT — 1 members
| Office | Publication | Kind | Published | Filed | Status | Title |
|---|---|---|---|---|---|---|
| USthis patent | US-D630656-S | S1 | 11 Jan 2011 | 26 Jan 2010 | granted | Drill bit |
›Other offices — 3 members
| Office | Publication | Kind | Published | Filed | Status | Title |
|---|---|---|---|---|---|---|
| AU | AU-332218-S | S | 17 Aug 2010 | 21 Jul 2010 | published | Drill bit |
| CA | CA-136438-S | S | 16 Feb 2011 | 22 Jul 2010 | granted | Drill bit |
| CL | CL-2010000800-S1 | S1 | 18 Feb 2011 | 26 Jul 2010 | published | Extremo cortante de barrena, compuesto por cuerpo cilíndrico circular hueco y otro sector cilíndrico superior de mayor diámetro y menor altura dotado de ocho ranuras radiales verticales dispuestas a espacios regulares entre sí, las que definen ocho prismas idénticos, cada una con seis resaltes semiesféricos en la cara superior.es |
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