Kit for producing a stair case

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8887456
SERIAL NO

13510573

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A kit for assembling to produce a staircase, the kit comprising: a pair of star supports (12); a plurality of treads (16); a plurality of risers (18); a plurality of tread supports (14) for supporting treads when the staircase is assembled; and means defining the correct position of the plurality of tread supports on the stair supports to produce a staircase to a given specification.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
HYAMS JONATHANBRISTOL BS39 4EZ

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hyams, Jonathan Bristol, GB 4 3

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 May 18, 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