Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES112270UpriorityCriticalpatent/ES112270Y/en
Publication of ES112270UpublicationCriticalpatent/ES112270U/en
Application grantedgrantedCritical
Publication of ES112270YpublicationCriticalpatent/ES112270Y/en
Binding device for changeable sheet books characterized by essentially comprising a coil spring with its successive turns in contact arranged to pass through the corresponding perforations provided for this purpose in the covers and pages of the book up to a limit position determined by a fixed stop provided in one of its extremities and inside of whose opposite end is threaded directly onto the helical pitch taken by the turns referred to a screw whose head constitutes the stop by which the clamping of the said sheets and covers is made in view of the constitution of the book. (Machine-translation by Google Translate, not legally binding)
ES112270U1965-03-101965-03-10
BINDING DEVICE FOR CHANGABLE SHEET BOOKS.
ExpiredES112270Y
(en)
Annual book for the registration of the reservations of hotels, residences, pensions and lodging establishments in general and for the organization and control of the same. (Machine-translation by Google Translate, not legally binding)