US PATENT SUBCLASS 427 / 294
VACUUM UTILIZED PRIOR TO OR DURING COATING


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

294VACUUM UTILIZED PRIOR TO OR DURING COATING {2}
295  DF  .~> Metal base
296  DF  .~> Organic base {1}


DEFINITION

Classification: 427/294

(under the class definition) Processes wherein the base is treated with a vacuum or subatmospheric pressure before coating or while the coating is being applied.

SEE OR SEARCH THIS CLASS, SUBCLASS:

238, for utilizing a vacuum to coat a hollow article.

248.1+, for vapor deposition of a coating utilizing a vacuum.

350, for vacuum treatment of a coating.

SEE OR SEARCH CLASS

588, Hazardous or Toxic Waste Destruction or Containment, 249+, for the use of a vacuum in a coating process to contain hazardous or toxic waste.