US PATENT SUBCLASS 427 / 419.4
.~.~.~.~ Vitreous coating

Current as of: June, 1999
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427 /   HD   COATING PROCESSES

402  DF  APPLYING SUPERPOSED DIVERSE COATING OR COATING A COATED BASE {9}
419.1  DF  .~ Metallic compound-containing coating {3}
419.2  DF  .~.~ Oxide-containing coating {3}
419.3  DF  .~.~.~ Superposed diverse oxide coatings {1}
419.4.~.~.~.~ Vitreous coating

DEFINITION

Classification: 427/419.4

Vitreous coating:

(under subclass 419.3) Processes wherein at least one of the metallic oxide-containing coatings comprises glasslike material.

(1) Note. This subclass provides for coating a cellulose acetate film, etc.