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.)
Publication of BE554853ApublicationCriticalpatent/BE554853A/xx
H01K1/42—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
H01K1/46—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp supported by a separate part, e.g. base, cap