US PATENT SUBCLASS 249 / 28
.~.~.~.~ Floor or ceiling with joist mold

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

1  DF  IN SITU CONSTRUCTION ENGINEERING TYPE OR BUILDING TYPE-MOLD OR FORM {4}
13  DF  .~ Forming building structure {5}
18  DF  .~.~ Barrier or sustainer, e.g., wall, joist, etc. {5}
26  DF  .~.~.~ Plural barriers, or plural sustainers, or barrier and sustainer mold {2}
28.~.~.~.~ Floor or ceiling with joist mold {3}
29  DF  .~.~.~.~.~> Including means to adjust joist mold size
30  DF  .~.~.~.~.~> Including reinforcement support means
31  DF  .~.~.~.~.~> Utilizing spaced cores of unitary construction transverse to joist {1}

DEFINITION

Classification: 249/28

(under subclass 26) Apparatus comprising means for forming a horizontally disposed confining wall combined with horizontal perpendicular projecting spaced beams, girders or joists.

(1) Note. Patents claiming a plurality of spaced cores are classified in this class, subclass 176.

SEE OR SEARCH CLASS

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

319+, for a cast-in-situ concrete barrier with laterally projecting rib type sustainer.