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
GB25672/23A
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Individual
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Individual
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Publication of GB205511ApublicationCriticalpatent/GB205511A/en
Cathode-Ray Tubes And Fluorescent Screens For Display
(AREA)
Insulated Conductors
(AREA)
Abstract
205,511. PÚri, F. Oct. 7, 1922, [Convention date]. Vacuum tubes.-A zig-zag grid is formed by bending a strip 9, Fig. 1, cut in the shape of a series of rings, or by-twisting two wires together to form loops 5, Fig. 4 and bending to the shape shown in Fig. 1. The -grid 9 is secured to a support 3 by means of tongues 1, 2, the support being mounted on a metal tube 4 fastened to a conductor. A support for the grid 5 is formed by doubling back the end 6 and twisting it with the end 7. Specification 205,514 is referred to.
GB25672/23A1922-10-071923-01-05Improvements in vacuum tubes of the "audion" type
ExpiredGB205511A
(en)
Improvements in and relating to methods of and apparatus for the production of welded metallic fabrics or mesh and to the products produced by such methods and/or apparatus