IPC Subgroup
H01K 3/12 Joining of mount or stem to vessel; Joining parts of the vessel, e.g. by butt sealing
Introduced: September 1968
Last revised: January 2006
Full Title
Apparatus or processes adapted to the manufacture, installing, removal or maintenance of incandescent lamps or parts thereof > Joining of mount or stem to vessel; Joining parts of the vessel, e.g. by butt sealing
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ELECTRIC INCANDESCENT LAMPS
1 direct subcode
Child Classifications
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- H01K 3/14 Machines therefor