Refiner
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 3, 2019
Grant Date -
Dec 8, 2016
app pub date -
Dec 23, 2014
filing date -
Feb 10, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
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Abstract
A refiner is disclosed comprising relatively rotatable inner and outer conical refining blades. The refining blades are coaxially arranged around a symmetry axis and are provided with first bars and second bars, respectively, for the grinding of fibrous material. The inner conical refining blade or any of the first bars of the inner conical refining blade extend further along the symmetry axis, in the direction of the tapering of the inner and outer conical refining blades, than the outer conical refining blade or any of the second bars of the counter conical refining blade.
First Claim
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Family
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International Classification(s)
- 2014 Application Filing Year
- B02C Class
- 388 Applications Filed
- 313 Patents Issued To-Date
- 80.68 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- B02C Class
- 49.86 % this patent is cited more than
- 6 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 | Mar 3, 2027 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Mar 3, 2031 |
