Tubular conduit
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 16, 2017
Issued Date -
N/A
app pub date -
Jun 17, 2013
filing date -
Nov 17, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A tubular conduit comprising: a tubular portion made from a flexible material. There is an external helical formation extending around the exterior of, and parallel to the axis of, the tubular portion and defining a first region of the tubular portion. The external helical formation is for supporting the tubular portion. There is also an internal helical formation, protruding inwardly of the interior of the tubular portion and extending parallel to the axis of the tubular portion and defining a second region of the tubular portion. The internal helical formation is for imparting helical flow on fluid passing through the tubular portion. The first region does not extend throughout the second region.
First Claim
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International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- A61F Class
- 0 % this patent is cited more than
- 8 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 16, 2024 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 16, 2028 |
