Spiker roller

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9918421
SERIAL NO

14383834

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A spiker roller having (i) a roller assembly having a plurality of roller components each having a peripheral wall and a plurality of apertures in each wall and a centrally located hub or boss surrounding an opening; (ii) a multiplicity of spikes which are each releasably retained within a respective aperture of each roller component; and (iii) a support shaft which is insertable through each of the openings of each roller component wherein in operation each of the roller components rotate independently of each other.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
TRU-TURF PTY LTD2/56 EXPORT DRIVE EARNEST QUEENSLAND 4214

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dufty, Raymond Jeffrey Arundel, AU 12 57

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
7.5 Year Payment $3600.00 $1800.00 $900.00 Sep 20, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Sep 20, 2029
Fee Large entity fee small entity fee micro entity fee
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