US PATENT SUBCLASS 249 / 101
.~ Tongue and groove on same product

Current as of: June, 1999
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249 /   HD   STATIC MOLDS

98  DF  FORMING PRODUCT HAVING JOINT OR COUPLING {2}
101.~ Tongue and groove on same product

DEFINITION

Classification: 249/101

(under subclass 98) Apparatus having means for forming a tongue on one edge of the product and a groove on the other edge of the product.

SEE OR SEARCH CLASS

52, Static Structures (e.g., Buildings),

539, for a formed building structure having a tongue and groove.