Horizontally extendable silt fence
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 11, 2022
Grant Date -
Jun 17, 2021
app pub date -
Dec 11, 2020
filing date -
Dec 11, 2019
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention is directed to a horizontally extendable silt fence. The present invention is also directed to a silt fence system comprising a horizontally extendable silt fence comprising a water permeable geotextile material having an upper edge and a lower edge, and a plurality of posts comprising an upper portion strutted and arranged to be coupled with the upper edge of the water permeable geotextile material, a lower portion structured and arranged to be coupled with the lower edge of the water permeable geotextile material, and an anchor portion structured and arranged to be driven into the ground to anchor the post. Also disclosed is a method of filtering silt from a fluid stream.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2020 Application Filing Year
- E01F Class
- 207 Applications Filed
- 118 Patents Issued To-Date
- 57.01 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- E01F Class
- 66.67 % this patent is cited more than
- 3 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Apr 11, 2026 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Apr 11, 2030 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Apr 11, 2034 |
