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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to ES40181ApriorityCriticalpatent/ES40181A1/en
Publication of ES40181A1publicationCriticalpatent/ES40181A1/en
ES40181A1907-02-201907-02-20
A procedure for obtaining paper that is applied to pneumatic devices for the performance of musical pieces.
ExpiredES40181A1
(en)
The manufacture of pianos that raise, attached to their ordinary mechanism, a pneumatic mechanism to be able to execute without having to know about music and with the help of perforated paper rolls all kinds of musical pieces.
An industrial result consisting of special envelopes called "Tresor" that are made non-transparent by applying a loose paper that fits to the inside of them.