Apparatus for classification of material to be classified
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 9, 2022
Grant Date -
N/A
app pub date -
Apr 12, 2018
filing date -
May 4, 2017
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A device configured to classify material to be classified, preferably into two fractions, preferably of soil, such as sticky, clayey soil, especially intended for use in a quarry, having a machine frame and having at least two spiral shafts rotatably mounted on the machine frame. At least one spiral shaft includes a core tube having at least one outer screw helix and at least one bearing journal. The core tube is mounted elastically relative to the bearing journal by at least one elastic bearing.
First Claim
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International Classification(s)
- 2018 Application Filing Year
- B07B Class
- 148 Applications Filed
- 105 Patents Issued To-Date
- 70.95 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- B07B Class
- 0 % 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 | Feb 9, 2026 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Feb 9, 2030 |
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