Activated hemp filters and method of making activated hemp filters
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United States of America Patent
Stats
-
Dec 5, 2023
Grant Date -
Nov 4, 2021
app pub date -
May 21, 2021
filing date -
Nov 17, 2017
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method of making activated carbon particles from hemp includes placing raw hemp within a predefined atmosphere to produce activated carbon particles from the raw hemp and carbonizing the raw hemp to produce the activated carbon particles. Hemp filters including the activated carbon particles from hemp are disclosed.
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International Classification(s)
- 2021 Application Filing Year
- D21H Class
- 404 Applications Filed
- 144 Patents Issued To-Date
- 35.65 % Issued To-Date
Cited Art Landscape
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- 0 Citation Count
- D21H Class
- 0 % this patent is cited more than
- 2 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 | Jun 5, 2027 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jun 5, 2031 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 5, 2035 |
