Pi-shaped preform with bias fibers
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United States of America Patent
Stats
-
Mar 28, 2017
Grant Date -
Aug 22, 2013
app pub date -
Feb 17, 2012
filing date -
Feb 17, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A woven preform for a reinforced composite material, which may be woven flat and folded into shape. The preform has off-axis reinforcement with one or more legs and/or base extending in an off axis or bias (non 0/90 degree) orientation with respect to the warp/weft fibers. One or more legs extend from a base, the base and legs each having at least two layers of warp fibers. The legs may be parallel or angled to each other. The outer ends of the base and/or the legs may have tapers formed from terminating layers of warp fibers in a stepped or angled pattern.
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International Classification(s)
- 2012 Application Filing Year
- D06H Class
- 20 Applications Filed
- 13 Patents Issued To-Date
- 65 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 4 Citation Count
- D06H Class
- 75 % this patent is cited more than
- 8 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Sep 28, 2028 |
