Control barrier with rotatable legs
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 7, 2010
Grant Date -
Nov 12, 2009
app pub date -
Jun 1, 2009
filing date -
May 8, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A control barrier includes a barrier wall having a front face and an opposing back face each extending between a top end and an opposing bottom end, a first recess being formed on the front face at the bottom end of the barrier wall. A first slot extends through the barrier wall from the first recess to the back face. A first foot coupled with the barrier wall and being movable between a first position wherein the first foot is at least partially disposed within the recess of the barrier wall and a second position wherein the first foot is rotated a least 45° relative to the first position and is removably positioned within the slot extending through the barrier wall.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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OTW HOLDING COMPANY | 180 E 2100 SOUTH #206 SALT LAKE CITY UT 84115 |
International Classification(s)

- 2009 Application Filing Year
- E01F Class
- 75 Applications Filed
- 53 Patents Issued To-Date
- 70.67 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Christensen, Marc E | Salt Lake City, US | 27 | 574 |
# of filed Patents : 27 Total Citations : 574 | |||
Lipniarski, David J | North Tonawanda, US | 17 | 162 |
# of filed Patents : 17 Total Citations : 162 |
Cited Art Landscape
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Patent Citation Ranking
- 23 Citation Count
- E01F Class
- 70.37 % this patent is cited more than
- 15 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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