Boxes And Housings Patents (Class 174/50)
- With covering or casing for envelope (Class 174/50.51)
- With electrical connector (Class 174/50.52)
- With mounting means for a device within envelope (Class 174/50.54)
- Hollow lead surrounding another lead (e.g., concentric type) (Class 174/50.55)
- Lead-in insulated from metal wall (Class 174/50.56)
- Stem or sealing disk attached to envelope neck (Class 174/50.57)
- With shield for lead-in seal or between the lead-in conductors (Class 174/50.59)
- Plural lead-in (Class 174/50.6)
- With bonded seal for conductive member (e.g., glass to metal) (Class 174/50.61)
- Encapsulated (potted, molded, plastic filled) (Class 174/521)
- Details of mount (Class 174/535)
- Coated (Class 174/546)
- Cooled (Class 174/547)
- External terminals (Class 174/549)
- Multipart housing (Class 174/559)
- Specific material (Class 174/565)
- Plug receptacle or wall switch type (Class 174/53)
- With connectors (Class 174/59)
- Fixtures coupling or mounting means (Class 174/61)