Details

13 direct subcodes

Child Classifications

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H01K 1/02 Incandescent bodies
H01K 1/18 Mountings or supports for the incandescent body
H01K 1/26 Screens; Filters (associated with envelope H01K1/28)
H01K 1/28 Envelopes; Vessels
H01K 1/36 Seals between parts of vessel, e.g. between stem and envelope
H01K 1/38 Seals for leading-in conductors
H01K 1/40 Leading-in conductors
H01K 1/42 Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
H01K 1/50 Selection of substances for gas fillings; Specified pressure thereof
H01K 1/52 Means for obtaining or maintaining the desired pressure within the vessel
H01K 1/58 Cooling arrangements
H01K 1/60 Means structurally associated with the lamp for indicating defects or previous use
H01K 1/62 One or more circuit elements structurally associated with the lamp