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
Alfred Theodor Heymann
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Individual
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Individual
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Publication of GB190401198ApublicationCriticalpatent/GB190401198A/en
1198. Heymann, A. T. Jan. 16. Door chains; win- dow and door fasten- ings; door holders; fastenings, railway- carriage door. -Relates to holders or fasten- ings for retaining cabin, railway-car- riage, and cup- board doors, or for windows in a partially-open position and for preventing the fasten - ing from being released except by the use of the authorized key. The fastening consists of a double pivoted hook lever d which is provided with a pivoted hasp lever f. The lever f is securely engaged by the curved bolt h of the door &c. lock.
GB190401198D1904-01-161904-01-16Safety Device for Retaining Cabin and other Doors Ajar
ExpiredGB190401198A
(en)