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 ES13529ApriorityCriticalpatent/ES13529A1/en
Publication of ES13529A1publicationCriticalpatent/ES13529A1/en
ES13529A1892-07-091892-07-09
Improvement in the equipment for heating and ventilating buildings and for cooling, cleaning and purifying the air.
ExpiredES13529A1
(en)