Method and apparatuses for screening
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
-
Jan 4, 2022
Grant Date -
Dec 6, 2018
app pub date -
Jun 6, 2018
filing date -
Jun 6, 2018
priority date (Note) -
In Force
status (Latency Note)
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Importance

US Family Size
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Non-US Coverage
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Abstract
Methods and apparatuses for screening are provided. Embodiments include a screen basket apparatus for screening material, comprising a grid frame having a plurality of openings arranged in a lattice and a plurality of screening cartridge assemblies affixed to the grid frame to cover the respective openings of the grid frame. The screening cartridge assembly includes a case and a screen assembly fitted into the case, and may be affixed to a set of transversal member of the grid frame. The case may be an injection molded thermoplastic polyurethane or a thermoset polymer. The screening elements together form a generally continuous screening surface across an exterior portion of the grid frame.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
DERRICK CORPORATION | 590 DUKE ROAD BUFFALO NY 14225 |
International Classification(s)

- 2018 Application Filing Year
- B29C Class
- 6442 Applications Filed
- 4276 Patents Issued To-Date
- 66.38 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Colgrove, James R | East Aurora, US | 35 | 390 |
# of filed Patents : 35 Total Citations : 390 | |||
Smith, Clifford C | North Collins, US | 7 | 78 |
# of filed Patents : 7 Total Citations : 78 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 4 Citation Count
- B29C Class
- 81.60 % this patent is cited more than
- 3 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Jul 4, 2025 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jul 4, 2029 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 4, 2033 |
Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

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Mar 28, 2016 | PD | Priority Date |

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