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Class Information
Number: 249/39
Name: Static molds > In situ construction engineering type or building type-mold or form > Forming building structure > Barrier or sustainer, e.g., wall, joist, etc. > Planar wall mold having opposed spaced panels > Including means transverse to panel to form opening through major face of wall, e.g., door, window, etc.
Description: Apparatus having means extending through or abutting against at least one panel, or the panel is so shaped to form an opening extending through the major face of the molded structure.

Patents under this class:
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Patent Number Title Of Patent Date Issued
4948089 Concrete mold with arrangement for mounting tubular components Aug. 14, 1990
4918761 Method of using a toilet-flange cast-in mount Apr. 24, 1990
4882886 Automatically-releasable pipe attachment device Nov. 28, 1989
4877216 Automatically-releasable pipe-attachment device Oct. 31, 1989
4854543 Apparatus for forming an opening with a gasket in a masonry manhole Aug. 8, 1989
4823527 Plumbing concrete form accessory Apr. 25, 1989
4804160 Automatically-releasable pipe-attachment device Feb. 14, 1989
4706927 Form for producing arcuate bores in poured concrete slabs Nov. 17, 1987
4690368 Apparatus for hollow concrete wall construction Sep. 1, 1987
4666388 Collapsible form and device for removing form from cast concrete May. 19, 1987
4650149 Mold assembly for installing a gasket in the peripheral wall of an opening in a wall Mar. 17, 1987
4625940 Wall sleeves Dec. 2, 1986
4601456 Apparatus for forming a concrete structure Jul. 22, 1986
4589624 Window buck or pouring frame May. 20, 1986
4565044 Method of forming building foundation with vents Jan. 21, 1986
4430831 Window buck and frame Feb. 14, 1984
4427173 Self-leveling sleeve insert for concrete passages Jan. 24, 1984
4354657 Supports for coaxial conduits Oct. 19, 1982
4180233 Building construction system Dec. 25, 1979
4159098 Form for casting stepped openings Jun. 26, 1979
4138084 Adjustable foundation window form Feb. 6, 1979
4065540 Method of producing precast concrete panels with built-in outer sash frames Dec. 27, 1977
4047691 Fixture for use in the formation of a discharge opening of a fodder silo Sep. 13, 1977
3995843 Apparatus for supporting a window buck frame Dec. 7, 1976
3994470 Mold having means for positioning a window frame Nov. 30, 1976
3934808 Adjustably suspended mold sections for forming a concrete room Jan. 27, 1976

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