US PATENT SUBCLASS 428 / 334
.~.~ Coating layer not in excess of 5 mils thick or equivalent

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

221  DF  WEB OR SHEET CONTAINING STRUCTURALLY DEFINED ELEMENT OR COMPONENT {9}
332  DF  .~ Physical dimension specified {5}
334.~.~ Coating layer not in excess of 5 mils thick or equivalent {1}
335  DF  .~.~.~> Up to 3 mils {1}

DEFINITION

Classification: 428/334

(under subclass 332) Product in which the absolute physical dimension specified is the thickness of a coating layer* and which does not exceed 5 mils or the equivalent thereof.

(1) Note. Examples of equivalents are: 1 mil=.001 inch=.0254 mm (milli- ter)=25.4 u or mu(micron)=254,000 A (Angstroms)

SEE OR SEARCH THIS CLASS, SUBCLASS:

332, for a product in which a coating layer is recited in a

range which starts at less than 5 mils but transcends this figure (e.g., 4-17 mils, etc.).