| 2 / | HD | APPAREL |
|
| 455 | DF | GUARD OR PROTECTOR {12} |
| 410 |  | .~ For wearer's head {14} |
| 4 | DF | .~.~> Insect repelling |
| 5 | DF | .~.~> Firemen's helmets |
| 6.1 | DF | .~.~> Aviator's helmet {2} |
| 6.6 | DF | .~.~> Soldier's (i.e., ground based trooper) helmet {2} |
| 7 | DF | .~.~> Heat resistant {1} |
| 411 | DF | .~.~> Including energy-absorbing means {4} |
| 417 | DF | .~.~> Including adjustment for wearer's head size {1} |
| 421 | DF | .~.~> Including helmet-retention means |
| 422 | DF | .~.~> With article-attaching means |
| 423 | DF | .~.~> And ears |
| 424 | DF | .~.~> And face |
| 425 | DF | .~.~> Sport headgear |
| 15 | DF | .~.~> Eye shields (e.g., hoodwinks or blinds, etc.) {4} |
| 9 | DF | .~.~> Face |