| 379 / | HD | TELEPHONIC COMMUNICATIONS |
|
| 419 | DF | TERMINAL {4} |
| 428 |  | .~ Housing or housing component {10} |
| 429 | DF | .~.~> Having distinct circuitry support structure (e.g., circuit board) |
| 430 | DF | .~.~> Body supported (e.g., headgear) |
| 431 | DF | .~.~> Separate housings for earphone and microphone (e.g., candlestick type) |
| 432 | DF | .~.~> Loudspeaking set |
| 433 | DF | .~.~> Handset structure |
| 434 | DF | .~.~> Specified terminal configuration (e.g., novelty type) |
| 435 | DF | .~.~> Wall set or convertible type |
| 436 | DF | .~.~> Desk set |
| 437 | DF | .~.~> Protective structure {2} |
| 440 | DF | .~.~> Casing or enclosure, per se |