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Edward Bettridge Boucher
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Publication of GB190502639ApublicationCriticalpatent/GB190502639A/en
Infusion, Injection, And Reservoir Apparatuses
(AREA)
Abstract
2639. Boucher, E. B. Feb. 9. No Patent granted (Sealing fee not paid). Fastenings. - To secure an electric incandescent lamp in its holder, a ring 11, having a flange 13 which engages the usual pins 9 on the lamp - cap, is screwed on t h e bayonet or otherwise slotted barrel 6. The ring is large enough for the pins to be passed through it, or the flange is slotted for that purpose. The electric contact-pieces in the holder may be springless. [Reference has been directed under Patents Act, 1902, to Specifications No. 18,632, A.D. 1896, and No. 4330, A.D. 1901, [Abridgment Class Electric lamps &c.].]
GB190502639D1905-02-091905-02-09Improvements in Electrical Lampholders
ExpiredGB190502639A
(en)