Granted Patent
Utility
US 6,474,904
· Confirmation No. 6120
TRAFFIC BARRIER WITH LIQUID FILLED MODULES
Patented Case
View Patent ↗
Inventors
Attorneys & Agents of Record
Classification
USPC
404/6
E01F15/088
E01F15/086
Prosecution
- Examiner
- PECHHOLD, ALEXANDRA K
- Art Unit
- 3671
- Customer No.
- 40992
- Docket No.
- BARRIER SYSTEMS #42
- Confirmation No.
- 6120
Patent Term Adjustment
-3days
CHANGE OF NAME
Recorded 2020-02-18
from
BARRIER SYSTEMS INC.
CHANGE OF NAME AND MERGER
Recorded 2013-03-28
RELEASE OF SECURITY INTEREST
Recorded 2006-05-18
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-10-15
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Quick Facts
- Patent No.
- US 6,474,904
- App. No.
- 09/961,539
- Filed
- 2001-09-24
- Granted
- 2002-11-05
- Examiner
- PECHHOLD, ALEXANDRA K
- Art Unit
- 3671
- PTA
- -3 days
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