Modular ditch liners
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 16, 2004
Issued Date -
N/A
app pub date -
Jun 9, 2003
filing date -
Sep 17, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An open modular ditch liner includes a plurality of open liner sections and at least one alignment key. A substantially concave shape is formed in a top of each open liner section. At least one key slot is preferably formed on at least one side of each open liner section to receive at least one alignment key. The key slot may have an interference fit. An angle may be formed on at least one end of each open liner section. A key block with the same length of a open liner section may be used as an alignment key. A riser block may be used to terminate at least one side of at least one open liner section.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully