Granted Patent
Utility
US 6,588,515
· Confirmation No. 6832
DRILL BIT FOR DIRECTIONAL DRILLING
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2013-08-05 | SES.LOSS |
Notification of loss of entitlement to small entity status | 1 | View | |
| 2013-08-05 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2011-01-07 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2011-01-07 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2010-12-21 | PA.. |
Power of Attorney | 2 | View | |
| 2010-12-21 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2001-10-26 | TRNA |
Transmittal of New Application | 4 | View | |
| 2001-10-26 | A.PE |
Preliminary Amendment | 8 | View | |
| 2001-10-26 | SPEC |
Specification | 27 | View | |
| 2001-10-26 | CLM |
Claims | 2 | View | |
| 2001-10-26 | ABST |
Abstract | 1 | View | |
| 2001-10-26 | DRW |
Drawings-only black and white line drawings | 6 | View | |
| 2001-10-26 | OATH |
Oath or Declaration filed | 6 | View |
Inventors
Steven W. Wentworth
Brookfield, WI
Robert F. Crane
Oconomowoc, WI
Attorneys & Agents of Record
Classification
USPC
175/19
E21B10/573
Y10T403/7033
E21B47/017
E21B7/06
E21B7/064
E21B10/56
E21B10/60
E21B17/046
Prosecution
- Examiner
- NEUDER, WILLIAM P
- Art Unit
- 3672
- Customer No.
- 28839
- Docket No.
- 2380-795
- Confirmation No.
- 6832
Publication
- Pub. No.
- US20020043408A1
- Pub. Date
- 2002-04-18
Patent Term Adjustment
-40days
Parent
is a Continuation of
→
App. 09/373,121
· US 6,390,087
Filed 1999-08-12
· Patented Case
Parent
Claims priority from a provisional application
→
App. 60/097,694
Filed 1998-08-24
· Provisional Application Expired
Parent
is a Continuation in-part of
→
App. 09/212,042
· US 6,148,935
Filed 1998-12-15
· Patented Case
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2019-12-18
RELEASE OF SECURITY INTEREST
Recorded 2010-04-13
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Quick Facts
- Patent No.
- US 6,588,515
- App. No.
- 10/015,089
- Filed
- 2001-10-26
- Granted
- 2003-07-08
- Pub. No.
- US20020043408A1
- Examiner
- NEUDER, WILLIAM P
- Art Unit
- 3672
- PTA
- -40 days
External Links