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    • 1. 发明申请
    • Electronic bartering
    • 电子易货
    • US20070124228A1
    • 2007-05-31
    • US10583395
    • 2004-12-29
    • Daniel EliasWilliam Bloom
    • Daniel EliasWilliam Bloom
    • G06Q40/00
    • G06Q30/02G06Q30/0603G06Q30/08G06Q40/04
    • An electronic bartering system and method for facilitating a trade of a first item owned by a first user for a second item owned by a second user when the first user and the second user are connected to a network. The electronic bartering system and method receives a request from the first user, allows the second user to access items owned by the first user, receives a response from the second user, and receives an acceptance from the first user The request identifies the second item and is a potential trade request. The response identifies the first item and is a trade offer The trade comprises the potential trade request, the trade offer, and the acceptance. Completion of the trade further includes receiving a confirmation from both the first user and the second user
    • 一种电子易货系统和方法,用于当所述第一用户和所述第二用户连接到网络时,促进由第一用户拥有的第一项目与第二用户所拥有的第二项目的交易。 电子易货系统和方法接收来自第一用户的请求,允许第二用户访问由第一用户拥有的项目,接收来自第二用户的响应,并接收来自第一用户的接受请求标识第二项, 是一个潜在的交易请求。 答复确定第一项,是贸易报价贸易包括潜在的贸易要求,交易报价和接受。 交易的完成还包括从第一用户和第二用户接收确认
    • 4. 发明授权
    • Book holder
    • 书夹
    • US3981522A
    • 1976-09-21
    • US581471
    • 1975-05-28
    • William Bloom
    • William Bloom
    • B42D3/16B42D9/00B42D3/04
    • B42D3/126B42D3/16B42D9/00
    • A book holder for enclosing and holding books, said book holder having a pair of cover panels, a back panel hingedly connected between said cover panels, book holding means on the cover panels, and a transverse spring element mounted in and across said cover and back panels, the spring element being normally extended in a generally straight line and in a generally common plane to support the book holder and a book held therein, in substantially flat, open position. The spring element is resiliently bendable transversely of its length to close the book holder and book held therein. A book holding strap is transversely disposed across the book holder, extending across a book held therein when the book holder and book are both in open position, said strap extending around the book holder when the latter and the book contained therein are in closed position. In the first mentioned (open) position, the strap holds the book open at the desired page; in the second mentioned (closed) position, the strap holds the book holder and book closed. The book holder is provided with a hingedly mounted strut which is adapted to support the book holder and book held therein in easel position for ease of reading.
    • 一种用于封闭和拿着书籍的书架,所述书架具有一对盖板,铰接地连接在所述盖板之间的后面板,盖板上的书保持装置和安装在所述盖子和背面上的横向弹簧元件 弹簧元件通常在大致直线上延伸并且在大致共同的平面中延伸,以支撑书架和书保持在其中的大致平坦的打开位置。 弹簧元件在其长度方向上可弹性地弯曲,以封闭书夹并保存在其中。 当书架和书都处于打开位置时,书夹持带横向地布置在书架的两侧,延伸穿过书夹,书中的书和书包含在关闭位置时,书包围绕着书架延伸。 在第一个提到(打开)的位置,表带把书打开在所需的页面上; 在第二个提到(关闭)的位置,表带夹住书架并关闭书签。 书架设置有铰接安装的支柱,其适于将书架和书本保持在画架位置以便于阅读。