US PATENT SUBCLASS 156 / 219
.~.~.~ Surface deformation only of sandwich or lamina (e.g., embossed panels)

Current as of: June, 1999
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156 /   HD   ADHESIVE BONDING AND MISCELLANEOUS CHEMICAL MANUFACTURE

1  DF  METHODS {7}
60  DF  .~ Surface bonding and/or assembly therefor {93}
196  DF  .~.~ With permanent bending or reshaping or surface deformation of self sustaining lamina {11}
219.~.~.~ Surface deformation only of sandwich or lamina (e.g., embossed panels) {1}
220  DF  .~.~.~.~> Subsequent to lamination

DEFINITION

Classification: 156/219

(under subclass 196) Processes in which the surface configuration only of a workpiece is altered by raising bosses or protuberances thereon or causing surface portions to be depressed below the plane of the workpiece surface.

SEE OR SEARCH THIS CLASS, SUBCLASS:

209, for processes of deforming a web-surface and the search notes therein.