Granted Patent
Utility
US 6,606,923
· Confirmation No. 3379
DESIGN METHOD FOR DRILLOUT BI-CENTER BITS
Inventors
Graham R. Watson
Frampton on Severn, UNITED KINGDOM
Steven James Hart
Bath, UNITED KINGDOM
Attorneys & Agents of Record
Classification
USPC
76/108.2
Prosecution
- Examiner
- WATTS, DOUGLAS D
- Art Unit
- 3724
- Customer No.
- 26932
- Docket No.
- 78.1032-1
- Confirmation No.
- 3379
Publication
- Pub. No.
- US20020069725A1
- Pub. Date
- 2002-06-13
Patent Term Adjustment
0days
Parent
is a Division of
→
App. 09/658,857
· US 6,394,200
Filed 2000-09-11
· Patented Case
Parent
Claims priority from a provisional application
→
App. 60/162,179
Filed 1999-10-28
· Provisional Application Expired
Parent
Claims priority from a provisional application
→
App. 60/163,420
Filed 1999-11-03
· Provisional Application Expired
RELEASE OF GRANT OF PATENT SECURITY AGREEMENT
Recorded 2005-06-01
GRANT OF PATENT (SECURITY AGREEMENT)
Recorded 2003-01-06
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2002-06-03
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Quick Facts
- Patent No.
- US 6,606,923
- App. No.
- 09/683,746
- Filed
- 2002-02-11
- Granted
- 2003-08-19
- Pub. No.
- US20020069725A1
- Examiner
- WATTS, DOUGLAS D
- Art Unit
- 3724
- PTA
- 0 days
External Links