Patent Application
Utility
App. No. 10/105,012
· Confirmation No. 4171
INSERT CHIP OF OIL-DRILLING TRICONE BIT, MANUFACTURING METHOD THEREOF AND OIL-DRILLING TRICONE BIT
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2004-02-18 | IFEE |
Issue Fee Payment (PTO-85B) | 2 | View | |
| 2004-02-18 | LET. |
Miscellaneous Incoming Letter | 1 | View | |
| 2004-02-18 | OATH |
Oath or Declaration filed | 5 | View | |
| 2002-03-20 | TRNA |
Transmittal of New Application | 1 | View | |
| 2002-03-20 | SPEC |
Specification | 31 | View | |
| 2002-03-20 | CLM |
Claims | 3 | View | |
| 2002-03-20 | ABST |
Abstract | 1 | View | |
| 2002-03-20 | DRW |
Drawings-only black and white line drawings | 6 | View | |
| 2002-03-20 | OATH |
Oath or Declaration filed | 4 | View |
Inventors
Attorneys & Agents of Record
Classification
USPC
175/428
E21B10/5735
E21B10/52
Prosecution
- Examiner
- SMITH, MATTHEW J
- Art Unit
- 3672
- Customer No.
- 21553
- Docket No.
- 4328
- Confirmation No.
- 4171
Foreign Priority
2001-085675 (P)
·
2001-03-23
·
JAPAN
2002-029466 (P)
·
2002-02-06
·
JAPAN
Publication
- Pub. No.
- US20030051924A1
- Pub. Date
- 2003-03-20
Patent Term Adjustment
-118days
No related applications found.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2011-10-24
MERGER
Recorded 2005-03-02
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2002-06-11
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Quick Facts
- App. No.
- 10/105,012
- Filed
- 2002-03-20
- Granted
- 2004-04-13
- Pub. No.
- US20030051924A1
- Examiner
- SMITH, MATTHEW J
- Art Unit
- 3672
- PTA
- -118 days
External Links