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Class Information
Number: 52/730.3
Name: Static structures (e.g., buildings) > Shaft (i.e., elongated rigid structure) > Longitudinally related striplike sections > Closure related (e.g., stile, sash bar, mullion, etc.)
Description: Subject matter, wherein the longitudinally related strip-like sections are components of a closure frame.










Sub-classes under this class:

Class Number Class Name Patents
52/730.4 Forms hollow enclosure (e.g., tubular) 106
52/730.6 Having angular component (e.g., having l, t, z cross-section) 89


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7168213 Adjustment device and building element Jan. 30, 2007
7134246 Method and apparatus for reinforcing a door assembly Nov. 14, 2006
7036280 Tube-lock curtain wall system May. 2, 2006
6928776 Window sash frame with hinged components Aug. 16, 2005
6920726 Hollow plastic section Jul. 26, 2005
6893594 Extruded window and door composite frames May. 17, 2005
6735912 Method and apparatus of weather sealing adjacently jointed building panels May. 18, 2004
6722089 Concealed structural mullion Apr. 20, 2004
6691474 Glazing bar end caps Feb. 17, 2004
6682789 Polyolefin wood fiber composite Jan. 27, 2004
6679013 Window assembly with hinged components Jan. 20, 2004
6662512 Two-piece mullion reinforcement Dec. 16, 2003
6615564 For a connector for joining adjacent flat roof panels coplanarly together Sep. 9, 2003
6415579 Window, muntin and method Jul. 9, 2002
6360498 Two-piece mullion reinforcement Mar. 26, 2002
6265037 Polyolefin wood fiber composite Jul. 24, 2001
6185881 Method and apparatus for reinforcing a door assembly Feb. 13, 2001
6054207 Foamed thermoplastic polymer and wood fiber profile and member Apr. 25, 2000
6035600 Heat-insulated composite section for doors, windows or facades Mar. 14, 2000
6003277 Co-extruded integrally reinforced cellular PVC window sash Dec. 21, 1999
5974758 Reinforced chamber with a hollow cross section Nov. 2, 1999
5924263 Glazing bars Jul. 20, 1999
5921059 Door fit for a hollow core panel door Jul. 13, 1999
5893244 Self-sealing framing system for buildings Apr. 13, 1999
5802785 Aluminum framed window molding Sep. 8, 1998
5727356 Composite section for frames of windows, doors, facade elements and the like Mar. 17, 1998
5657590 Muntin bar assembly Aug. 19, 1997
5647179 Aluminum frame member Jul. 15, 1997
5632125 Curtain wall May. 27, 1997
5581953 Metal frame assembly Dec. 10, 1996
5546715 Fabricated jamb or the like Aug. 20, 1996
5497594 Advanced polymer and wood fiber composite structural component Mar. 12, 1996
5491940 Method and apparatus for mounting window on angled sill Feb. 20, 1996
5491953 Insulation strip and method for single and multiple atmosphere insulating assemblies Feb. 20, 1996
5469683 Thermally insulating composite frame member with snap-in thermal isolator Nov. 28, 1995
5454204 Window frame extrusion and method Oct. 3, 1995
5435106 Metal reinforced mullion for windows Jul. 25, 1995
5406768 Advanced polymer and wood fiber composite structural component Apr. 18, 1995
5058351 Thermal frame section with offset dual skip debridgings Oct. 22, 1991
5022205 Thermal barrier extrusions Jun. 11, 1991
4977722 Frame system Dec. 18, 1990
4899508 Panel and glass curtain wall system Feb. 13, 1990
4793115 Method of cladding metal extrusions and product obtained therefrom Dec. 27, 1988
4553364 Window sash and frame molded of fibrous material Nov. 19, 1985
4461133 Structural members modules Jul. 24, 1984
4423578 Thermally broken frame with separation prevention Jan. 3, 1984
4231207 Heat-insulated structural section assembly Nov. 4, 1980
4219983 Heat-insulated structural section assembly Sep. 2, 1980
4141188 Wall construction Feb. 27, 1979
4128934 Method of making a thermally insulated window frame Dec. 12, 1978

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