United States Patent 3097363
US Patent References:
Hat protector
- - 1560073

Garment attachment
- - 2118196

Head gear
- - 2418069

Inflatable hat
- - 2803015

Inflated discus
- - 2864201


Publication Date:
07/16/1963
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Primary Class:
2/209.700
Other Classes:
2/175.100, D02/886, 2/DIG.010
International Classes:
A42B1/20; A42B1/00
Foreign References:
IT484489B