US Patent No: 8,137,033

Number of patents in Portfolio can not be more than 2000

Mesh handling system for an underground mining machine and related methods

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Abstract

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A system for handling a roll of mesh for application to one or more faces of an underground mine passage includes a dispenser for supporting the roll of mesh for application to at least one face of the mine passage, as well as at least one arm for supporting the mesh adjacent to the face upon being dispensed from the dispenser. The arm is capable of flexing in providing this support to provide tension to the mesh during the application from the roll to the at least one face of the mine passage. The dispenser may include a cradle for dispensing the mesh from the roll. The cradle may include a base for supporting the roll of mesh and at least one laterally extendable support for supporting a first lateral side of the roll of mesh. Related methods are also disclosed.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
J.H. FLETCHER & CO.HUNTINGTON, WV20

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Burgess, Timothy D South Point, OH 5 2
Duncan, Jonathan R - 1 0
Hinshaw, Gregory E Proctorville, OH 31 60
Kendall,, Jr William G - 1 0
Wilson, Henry E Ironton, OH 41 118

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Coal Industry (Patents) Limited (3)
4,196,935 Equipment for laying elongate material 3 1978
4,229,043 Cowl arrangements for mining machines 3 1978
4,230,370 Equipment for laying elongate material 1 1979
 
THE TENSAR CORPORATION (2)
5,277,520 Grid composite for backfill barriers and waste applications 24 1992
5,816,750 Automatic grid layout system 6 1996
 
ELECTRA, INC. (1)
5,199,825 Grid composite for longwall shield recovery in underground coal and trona mines 12 1991
 
MACLEAN ENGINEERING AND MARKETING COMPANY LIMITED (1)
6,863,476 Mobile system for manufacturing and installing reinforcing members 4 2003
 
Other [Check patent profile for assignment information] (3)
4,251,168 Fastening means for roof mats for mine workings 11 1978
4,379,660 Method of and apparatus for applying mat to the roof of a mine working 3 1980
4,358,159 Apparatus for supporting the roof of an underground mine working 3 1980

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Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Sep 20, 2015
7.5 Year Payment $3600.00 $1800.00 $900.00 Sep 20, 2019
11.5 Year Payment $7400.00 $3700.00 $1850.00 Sep 20, 2023
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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