Book with sound track and visual display
Patent 4002355 Issued on January 11, 1977. Estimated Expiration Date: 
January 11, 1994. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
January 11, 1994. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2226409 3503141 InventorApplicationNo. 596250 filed on 07/16/1975US Classes:281/29, Covers206/307.1, For holding plural diverse recording media in the same holder206/387.13, Including book-type cover206/472, BOOK-TYPE COVER WITH ATTACHED ARTICLE RETAINER281/31, With pockets434/317Visual information in book formExaminersPrimary: Grieb, William H.Attorney, Agent or FirmAbstractThis specification discloses a cased-in book with overhanging hard covers; and a filler in the book made up of sheets having reading matter and/or pictures thereon, and the filler also includes a thick panel, made of material such as styrofoam, with one or more sockets in the thick panel for holding a sound record, preferably a tape cassette; and another socket, if desired, for holding transparent slides. The record and the transparencies provide audio-visual adjuncts to the material set forth in the bound pages of the book. | |
