The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 03, 1990
Filed:
Oct. 27, 1988
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
Interleaving troughs (28-30) are securely fixed to a front cover (12) and a back cover (14) of a hinged apparatus (10). The first and second troughs (28-30) are generally semicircular in shape and are dimensioned to slidably cooperate with each other. A gap (34) is formed between the second trough (30) and the back cover (14) to receive the first trough (28) when the apparatus (10) is in a fully opened position. When the apparatus (10) is closed, first and second troughs (28-30) form a generally cylindrical container (36) for holding a wire spiral (26) of a book (20). When the apparatus (10) is closed, a void (38) of less than 3/16 inch is formed between the first and second troughs (28-30). The void (38) meets the ASTM standards for toy safety with regard to a pinching hazard.