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.)
Expired
Application number
Inventor
Adolph Tuck
Alfred Boehme
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Individual
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Individual
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Publication of GB190520054ApublicationCriticalpatent/GB190520054A/en
Respiratory Apparatuses And Protective Means
(AREA)
Abstract
20,054. Tuck, A., and Boehme, A. Oct. 4. Masks are formed so as to cover the upper portion only of the face, and have holes b for the eyes, a recess c which fits on the nose, and fastening-tapes d.
GB190520054D1905-10-041905-10-04Improvements in and relating to Masks
ExpiredGB190520054A
(en)