.~.~ With filter, barrier, screen, shield, electric terminal or fuse
DEFINITION
Classification: 313/580
With filter, barrier, screen, shield, electric terminal or fuse:
(under subclass 578) Subject matter which includes, (1) a physical screen to trap unwanted material as vaporized filament material, (2) a screen or shield for preventing an explosion, or fire within the lamp, (3) a quick make and break electrical connector attached to the filament, (4) a barrier to contain or impede the circulation of gas or vapor within the envelope, or (5) an integral fuse in circuit with the filament.
SEE OR SEARCH THIS CLASS, SUBCLASS:
579, for tungsten filament-halogen cycle lamps that lessens blackening of the lamp envelope.
SEE OR SEARCH CLASS
96, Gas Separation: Apparatus, for apparatus for gas separation, per se.
315, Electric Lamp and Discharge Devices: Systems,
119+, for an electric lamp with an automatic shunt or cut-off. 337, Electricity: Electrothermally or Thermally Actuated Switches,
142+, for fusible element actuated switch.
439, Electrical Connectors,
611+, for a quick make or break electrical connector with a vitreous envelope secured to contact or coupling part.
