Granted Patent
Utility
US 6,521,094
· Confirmation No. 9938
DEVICE FOR THE TREATMENT OF A FIBROUS SUSPENSION
Inventors
Axel Lamas
Karlstad, SWEDEN
Stefan Hansson
Karlstad, SWEDEN
Bo Clarstrom
Kil, SWEDEN
Jesper Karrhammar
Goteborg, SWEDEN
Goran Brottgardh
Karlstad, SWEDEN
Attorneys & Agents of Record
Classification
USPC
162/323
Prosecution
- Examiner
- HALPERN, MARK
- Art Unit
- 1731
- Customer No.
- 21050
- Docket No.
- 128.646CON
- Confirmation No.
- 9938
Foreign Priority
SE 9900835-1
·
1999-03-09
·
SWEDEN
Publication
- Pub. No.
- US20020043494A1
- Pub. Date
- 2002-04-18
Patent Term Adjustment
-83days
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2019-07-08
RELEASE OF SECURITY INTEREST
Recorded 2019-06-13
INTELLECTUAL PROPERTY SECURITY INTEREST
Recorded 2014-12-19
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2012-08-02
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2008-11-30
from
KVAERNER PULPING AB
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2007-02-07
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-09-07
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Quick Facts
- Patent No.
- US 6,521,094
- App. No.
- 09/948,961
- Filed
- 2001-09-07
- Granted
- 2003-02-18
- Pub. No.
- US20020043494A1
- Examiner
- HALPERN, MARK
- Art Unit
- 1731
- PTA
- -83 days
External Links