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특허 상세정보

Portable shuffle desk

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A47B-023/00   
미국특허분류(USC) 108/43 ; 108/44
출원번호 US-0633945 (1975-11-20)
발명자 / 주소
인용정보 피인용 횟수 : 59  인용 특허 : 1
초록

A portable desk for the convenience of invalids, traveling men or others who do not have access to other desk surfaces. The lower portion of the desk is a pillow-like portion of flexible material which forms a yieldable container which is partially filled with a dry, flowable material, such as expanded styrofoam beads, particles or the like. The casing portion is secured at the top to a piece of sub-covering of suitable size, which in turn is secured to a hard, planar sheet of material by adhesive, glue or other suitable means. The styrofoam beads may be...

대표
청구항

A lightweight portable desk adapted to be placed on and conform to regular and irregular base surfaces, comprising planar hard desk surface means, flexible casing means atTached to the bottom periphery of said desk surface means, said flexible casing means attached to the periphery of partially rigid sheet means which is substantially coplanar with said desk surface means and secured to the bottom thereof, said casing means being substantially filled with a lightweight flowable granular material, said granular material having a suitable density and loose...

이 특허를 인용한 특허 피인용횟수: 59

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  44. Johnson, Dan R.. Portable cushion tray. USP2015059038545.
  45. Johnson, Dan R.. Portable cushion tray. USP2014088807051.
  46. Johnson, Dan R.. Portable cushion tray. USP2016039295348.
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  52. Lau, Terence BoonKheng. Stand for supporting portable electronic display device. USP2015089115844.
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  55. Willison, George R.. Tool tray. USP200505D504568.
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