Granted Patent
Utility
PCT National Stage
US 6,530,452
· Confirmation No. 1150
REACTIVE SILENCER FOR INDUSTRIAL AIR CHANNELS AND ITS USE
Patented Case
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2001-04-17 | LET. |
Miscellaneous Incoming Letter | 38 | View |
Inventors
Henrik Pettersson
Mynamaki, FINLAND
Keijo Nissila
Kuusisto, FINLAND
Juhani Jokinen
Masku, FINLAND
Tauno Heikkila
Lieto kk, FINLAND
Attorneys & Agents of Record
Classification
USPC
181/251
D21F1/48
Prosecution
- Examiner
- HSIEH, SHIH YUNG
- Art Unit
- 2837
- Customer No.
- 20455
- Docket No.
- TURPAT-2
- Confirmation No.
- 1150
Foreign Priority
982107
·
1998-09-30
·
FINLAND
Patent Term Adjustment
0days
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-04-17
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Quick Facts
- Patent No.
- US 6,530,452
- App. No.
- 09/806,422
- Filed
- 2001-04-17
- Granted
- 2003-03-11
- Examiner
- HSIEH, SHIH YUNG
- Art Unit
- 2837
- PTA
- 0 days
External Links