Protective helmet liner

Equipment for safety – protection – and rescue – Body restraint or protective covering – Element or attachment

Design Patent

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Design Patent

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29295033

CLAIM:
We claim the ornamental design of a protective helmet liner, as shown and described.

REFERENCES:
patent: 4290149 (1981-09-01), Aileo
patent: 4432099 (1984-02-01), Grick et al.
patent: 5940889 (1999-08-01), Shirai
patent: D437472 (2001-02-01), Ruscitti et al.
patent: 6240570 (2001-06-01), Wu
patent: 6314586 (2001-11-01), Duguid
patent: D521191 (2006-05-01), Berger
patent: D523180 (2006-06-01), Frye

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