US PATENT SUBCLASS 249 / 99
.~ Lapped interfitted facing, alternating reversing identical facing, or keyways

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

98  DF  FORMING PRODUCT HAVING JOINT OR COUPLING {2}
99.~ Lapped interfitted facing, alternating reversing identical facing, or keyways {1}
100  DF  .~.~> Tubular facing connected end to end, e.g., bell or spigot, etc.

DEFINITION

Classification: 249/99

(under subclass 98) Apparatus having means to form a product having a facing with (1) opposite surfaces of the edge portions adapted to contact a like product in overlapping relationship, (2) identical facings in an alternating reversing relationship, or (3) the facings having keyways.

SEE OR SEARCH CLASS

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

519+, 574, 575, and 578+ for modules made by molding apparatus of the above type.