US PATENT SUBCLASS 106 / 646
.~.~.~ Hollow, foam, cellular or porous material

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


106 /   HD   COMPOSITIONS: COATING OR PLASTIC

*  DD  COATING OR PLASTIC COMPOSITIONS {40}
638  DF  .~ Inorganic settable ingredient containing {30}
645  DF  .~.~ Protein containing (e.g., glue, gelatine, albumin, blood, etc.) {5}
646.~.~.~ Hollow, foam, cellular or porous material

DEFINITION

Classification: 106/646

Hollow, foam, cellular or porous material:

(under subclass 645) Subject matter involving hollow, foam, cellular or porous material.

SEE OR SEARCH CLASS

516, Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting,

1+, for continuous gas or vapor phase colloid system (e.g., smoke, fog, aerosol, cloud, mist) or agents for such systems or making or stabilizing such systems or agents, when generically claimed or when there is no hierarchically

superior provision in the USPC for the specifically claimed art.