Pivot mask

Details Pivot mask Pivot mask

2007-02-27

2007-02-27

Lindsey, Rodney M. (Department: 3765)

Apparel

Guard or protector

For wearer's head

C002S006200, C128S202270, C128S201230, C024S604000

Reexamination Certificate

active

11080606

ABSTRACT:
The present invention relates to a device to rotate a previously unrotatable receiver used with helmets, preferably aircraft helmets.

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Scott Brochure; Pressure-Breathing Demand Oxygen Mask, Apr. 1999; 4 pages.

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