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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US ACOUSTICS CORP
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US ACOUSTICS CORP
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Publication date
Application filed by US ACOUSTICS CORPfiledCriticalUS ACOUSTICS CORP
Priority to ES125513UpriorityCriticalpatent/ES125513Y/en
Publication of ES125513UpublicationCriticalpatent/ES125513U/en
Application grantedgrantedCritical
Publication of ES125513YpublicationCriticalpatent/ES125513Y/en
An acoustic plate in the form of the molded and dried product of an intimate mixture of expanded perlite, refractory clay and sodium silicate binder. (Machine-translation by Google Translate, not legally binding)
ES125513U1966-11-101966-11-10
AN ACOUSTIC PLATE.
ExpiredES125513Y
(en)