US PATENT SUBCLASS 106 / 657
.~.~ Natural resin containing (e.g., shellac, turpentine, balsam, copal, etc.)

Current as of: June, 1999
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106 /   HD   COMPOSITIONS: COATING OR PLASTIC

*  DD  COATING OR PLASTIC COMPOSITIONS {40}
638  DF  .~ Inorganic settable ingredient containing {30}
657.~.~ Natural resin containing (e.g., shellac, turpentine, balsam, copal, etc.) {2}
658  DF  .~.~.~> Calcium sulfate, aluminous or oxy salt type cement
659  DF  .~.~.~> Rosin or tall oil (e.g., colophony, etc.)

DEFINITION

Classification: 106/657

Natural resin containing (e.g., shellac, turpentine, balsam, copal, etc.):

(under subclass 638) Subject matter involving natural resin, e.g., shellac, turpentine, balsam, copal, etc.