Screen cleaning system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8974564
APP PUB NO 20130014341A1
SERIAL NO

13183544

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A screen cleaning system cleans debris from a material catching screen surrounded by a frame. A hollow vacuum arm which moves over the screen. The arm has a slot in a side which is adjacent to the screen. The arm includes an inner arm pivotally coupled to a duct and an outer arm which movable with respect to the inner arm. The arm is moved by an actuator mechanism which includes a first pulley coupled to a drive shaft, a second pulley coupled to an end of the arm, a belt drivingly coupling the first pulley to the second pulley. The outer arm is slidably coupled to the inner arm and a spring is biased to urge the outer arm radially inwardly. A track is formed by the frame and a roller rides along the track and is rotatably coupled to an end of the outer arm.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • DEERE & COMPANY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hershbarger, James M Leclaire, US 4 6
Vandike, Nathan R Geneseo, US 133 384

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
11.5 Year Payment $7400.00 $3700.00 $1850.00 Sep 10, 2026
Fee Large entity fee small entity fee micro entity fee
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