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
Fritz Siegfried Gruenfeld
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
Application grantedgrantedCritical
Publication of GB190424965ApublicationCriticalpatent/GB190424965A/en
24,965. Gr³nfeld, F. S. Nov. 17. Plug cocks.-The plug c, Fig. 2, of a gas cock for a gas igniting and extinguishing device is mounted between an adjustable screw e at one end and a flat spring f, carried by a frame g, at the other and, so that the plug can be readily adjusted or withdrawn by drawing back the spring f. Fig. 4 shows a modification in which the spring f, Fig. 2, is replaced by a flat plate f <1> supported by a spring f <2>.
GB190424965D1904-11-171904-11-17Improvements in and in connection with Cocks for Gas Igniting and Extinguishing Devices.
ExpiredGB190424965A
(en)