Retroreflective protective helmet

Details Retroreflective protective helmet Retroreflective protective helmet

1977-02-24

1978-08-29

Schroeder, Werner H.

Apparel

Guard or protector

For wearer's head

2422, 350105, A42B 302, G02B 512

Patent

active

RE0297429

ABSTRACT:
Protective helmets that give a distinctive retroreflective signal under wet or dry conditions at night or in other darkened environments are provided by disposing a retroreflective layer covered by a transparent layer over at least a major portion of the outer surface of the helmet.

REFERENCES:
patent: 2948191 (1960-08-01), Hodgson, Jr. et al.
patent: 3190178 (1965-06-01), McKenzie
patent: 3242500 (1966-03-01), Derr
patent: 3245087 (1966-04-01), Marchello
patent: 3310900 (1967-03-01), Hamilton et al.
patent: 3420597 (1969-01-01), Nellessen et al.
patent: 3573954 (1971-04-01), Yamamoto
patent: 3770483 (1973-11-01), Komine
patent: 3795435 (1974-03-01), Schwab

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