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.)
HENRY WILLIAMS Ltd
Smith Charles Mitchell
Original Assignee
HENRY WILLIAMS Ltd
Smith Charles Mitchell
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 HENRY WILLIAMS Ltd, Smith Charles MitchellfiledCriticalHENRY WILLIAMS Ltd
Priority to ES139172ApriorityCriticalpatent/ES139172A1/es
Publication of ES139172A1publicationCriticalpatent/ES139172A1/es
ES139172A1935-08-021935-08-02Mejoras en los medios para evacuar cenizas de los hogares de calderas, o en lo relativo a estos medios.
ExpiredES139172A1
(es)