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US4930170A Expired / Lapsed US ⏱️ 0.0 years remaining

Foldable and transformable thick mat

Assignee: MARUICHI SELLING 2-6-5 AWATABE IMADATE-CHO IMADATE-GUN FUKUI-KEN JAPAN A CORP OF JAPAN KK
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Filing: 1987-11-09
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Granted: 1990-06-05
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Expires: 2007-11-09
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Abstract

Abstract A mat comprising a cushion base having a plurality of block plates each having cushion property and foldably connected together. A cushion member covers the upper surface of the cushion base, and the cushion base and the cushion member are detachably connected. The block plates are connected together at adjacent upper surfaces thereof and movably foldable about a centrally disposed fold line and a plurality of parallel transverse fold lines intersecting the longitudinal fold line. The fold lines are formed by slots which facilitate separation of the sehments when folded.

Inventors

  • 👤 Kouichi Kobayashi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 21:01
CPC Classifications
A; A47; A47C; A47C23/00; A47C23/005; A47C17/00; A47C17/04; A47C17/045; Y; Y10; Y10S; Y10S5/00; Y10S5/922

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 151 words
A foldable and transformable thick mat comprising: a cushion base including a plurality of juxtaposed block segments each having a predetermined cushion property and thickness, said block segments being connected together at adjacent upper surfaces thereof, and movably foldable about a centrally disposed longitudinal fold line and a plurality of parallel transverse fold lines intersecting said longitudinal fold line, said fold lines being formed by slots which facilitate separation of the segments when folded; a cushion member covering the upper surfaces of the cushion base segments and having a longitudinal fold line and plural transverse fold lines positionally corresponding to the fold lines of the cushion base when the cushion member is placed on the cushion base; and connecting means for detachably connecting the cushion base and the cushion member without inhibiting transformation of the mat into various shapes by folding the cushion base and cushion member along the fold lines.
Claim 2
Dependent Claim 151 words
A foldable and transformable thick mat comprising: a cushion base including a plurality of juxtaposed block segments each having a predetermined cushion property and thickness, said block segments being connected together at adjacent upper surfaces thereof, and movably foldable about a centrally disposed longitudinal fold line and a plurality of parallel transverse fold lines intersecting said longitudinal fold line, said fold lines being formed by slots which facilitate separation of the segments when folded; a cushion member covering the upper surfaces of the cushion base segments and having a longitudinal fold line and plural transverse fold lines positionally corresponding to the fold lines of the cushion base when the cushion member is placed on the cushion base; and connecting means for detachably connecting the cushion base and the cushion member without inhibiting transformation of the mat into various shapes by folding the cushion base and cushion member along the fold lines.
Claim 3
Dependent Claim 30 words
A mat as claimed in claim 1, wherein the cushion member includes core materials insertable into the cushion member at opposite side edges thereof and forming a rigid swell thereat.
Claim 4
Dependent Claim 25 words
A mat as claimed in claim 1, wherein the block segments of the cushion base each comprise a foamed body made of open-cell foam material.
Claim 5
Dependent Claim 24 words
A mat as claimed in claim 1, wherein the connection means comprises complementary fastener means disposed between the cushion member and the cushion base.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1993-06-04 1993-12-04 1994-06-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1997-06-04 1997-12-04 1998-06-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2001-06-04 2001-12-04 2002-06-05 $7700.00 Window Closed / Lapsed

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