US PATENT SUBCLASS 428 / 911
PENETRATION RESISTANT LAYER


Current as of: June, 1999
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428 /   HD   STOCK MATERIAL OR MISCELLANEOUS ARTICLES

911PENETRATION RESISTANT LAYER


DEFINITION

Classification: 428/911

Stock material product which includes structure and/or material adapted to prevent passage therethrough of an alien object.

(1) Note. This collection will receive disclosures of bullet-proof glass, material for bullet-proof vests, etc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

34.1+, for a container type article which may have a layer* resistant to penetration.

912, for a disclosure of puncture-healing stock material.

SEE OR SEARCH CLASS

2, Apparel,

2.5, for an article of clothing which is penetration-resistant and subclasses 410+ for guards and protectors for the head; especially, subclasses 6.6+ for a soldier's helmet.

89, Ordnance, 36, for a deflecting or penetration-resistant shield not elsewhere provided for; and see the search notes to that subclass.

109, Safes, Bank Protection, or a Related Device,

78+, for armored walls and panels.