IPC Main Group
H01K 1/00 Details
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ELECTRIC INCANDESCENT LAMPS
13 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- H01K 1/02 Incandescent bodies
- H01K 1/18 Mountings or supports for the incandescent body
- H01K 1/26 Screens; Filters
- 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 1/4 Leading-in conductors
- H01K 1/42 Means forming part of the lamp for the purpose of providing electrical connection to, or support for, the lamp
- H01K 1/5 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 1/6 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