US PATENT SUBCLASS 2 / 421
.~.~ Including helmet-retention means

Current as of: June, 1999
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2 /   HD   APPAREL

455  DF  GUARD OR PROTECTOR {12}
410  DF  .~ For wearer's head {14}
421.~.~ Including helmet-retention means

DEFINITION

Classification: 2/421

(under subclass 410) Device provided with means for holding the helmet or head covering on the head of the wearer.

(1) Note. Usually the helmet-retention means includes a strap fastened to the helmet and extending under the jaw or chin of the wearer.