Granted Patent
Utility
PCT National Stage
US 6,484,802
· Confirmation No. 2770
DOWNHOLE SCRAPER ASSEMBLY
Patented Case
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Inventors
Bruce McGarian
Aberdeen, GBN
Ian Gillies
Brechin, GBN
Attorneys & Agents of Record
Classification
USPC
166/173
E21B37/02
Prosecution
- Examiner
- NEUDER, WILLIAM P
- Art Unit
- 3672
- Customer No.
- 25269
- Docket No.
- 66455-188-7
- Confirmation No.
- 2770
Foreign Priority
9816889.1
·
1998-08-03
·
UNITED KINGDOM
Patent Term Adjustment
0days
RELEASE OF SECURITY INTEREST
Recorded 2021-07-20
ABL PATENT SECURITY AGREEMENT
Recorded 2020-03-17
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2020-01-03
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-03-16
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Quick Facts
- Patent No.
- US 6,484,802
- App. No.
- 09/762,252
- Filed
- 2001-03-16
- Granted
- 2002-11-26
- Examiner
- NEUDER, WILLIAM P
- Art Unit
- 3672
- PTA
- 0 days
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