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Class Information
Number: 52/784.1
Name: Static structures (e.g., buildings) > Composite prefabricated panel including adjunctive means > Sandwich or hollow with sheet-like facing members > For door or door shutter
Description: Structure that is intended to be used as a component of a closure for an entrance or egress.


Sub-classes under this class:

Class Number Class Name Patents
52/784.11 Fire resistant 53
52/784.16 Having a single hollow cavity 17
52/784.13 In-turned opposed flanges form edge of door 40
52/784.15 Insulating core 80
52/784.14 Multicellular core 27


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7426806 Reverse molded panel, method of manufacture, and door manufactured therefrom Sep. 23, 2008
7380385 Adjustable length decoration panel Jun. 3, 2008
7370454 Door skin, method of manufacturing a door produced therewith, and door produced therefrom May. 13, 2008
7367166 Door skin, a method of etching a plate, and an etched plate formed therefrom May. 6, 2008
7337544 Method of forming a composite door structure Mar. 4, 2008
7328539 Door and method of making same Feb. 12, 2008
7296384 Impact-resistant shutter assembly Nov. 20, 2007
7284352 Door skin, method of manufacturing a door produced therewith, and door produced therefrom Oct. 23, 2007
7225595 Door Jun. 5, 2007
7174683 Impact-resistant shutter assembly Feb. 13, 2007
7171794 Door Feb. 6, 2007
7168285 Door device for vending machine Jan. 30, 2007
7140159 Push-in refrigerator door seal and retainer system Nov. 28, 2006
7137232 Universal door skin blank and door produced therefrom Nov. 21, 2006
7117640 Radio frequency shielded and acoustically insulated door Oct. 10, 2006
7080490 Exterior window shutters Jul. 25, 2006
7062889 Door Jun. 20, 2006
7043331 Method of manufacturing a plurality of wooden products May. 9, 2006
7033454 Laminated metals sheet composite and method for making such sheet Apr. 25, 2006
7021015 Reverse molded plant-on panel component, method of manufacture, and method of decorating a door therewith Apr. 4, 2006
7022414 Molded skin with curvature Apr. 4, 2006
7007435 Door structure Mar. 7, 2006
7003920 Transparent glazing and use thereof in a chilling chamber door comprising in particular a glazing under vacuum Feb. 28, 2006
6988342 Door skin, a method of etching a plate for forming a wood grain pattern in the door skin, and an etched plate formed therefrom Jan. 24, 2006
6988592 Door and door hanger device at elevator landing Jan. 24, 2006
6972150 Consolidated cellulosic article having increased thickness and target face density and apparatus and method for manufacturing same Dec. 6, 2005
6892506 Adjustable door May. 17, 2005
6890044 Door device for vending machine May. 10, 2005
6890604 Method and system for powder coating passage doors May. 10, 2005
6877289 Panel door Apr. 12, 2005
6871464 Door structure for preventing water leakage Mar. 29, 2005
6855652 Structurally reinforced panels Feb. 15, 2005
6837021 Door for ticket gate Jan. 4, 2005
6786021 Door panel assembly having flexible hinge members Sep. 7, 2004
6729095 Refined assembly structure of hubbed door leaf installed with glass May. 4, 2004
6694702 Door construction and method Feb. 24, 2004
6688064 Break resistant glass door assembly Feb. 10, 2004
6679019 Method and apparatus for reinforcing a door Jan. 20, 2004
6655108 Door with lockset Dec. 2, 2003
6622449 Door panel and method of forming same Sep. 23, 2003
6619005 Molded doors with large glass insert Sep. 16, 2003
6609350 Laminated glass panel Aug. 26, 2003
6487824 Compression molded door assembly Dec. 3, 2002
6479128 Fine textured single piece one panel molded profile Nov. 12, 2002
6478910 Method for renovating doors Nov. 12, 2002
6470639 Exterior window shutters Oct. 29, 2002
6453638 Press molded door with improved reinforcement material and stile structure Sep. 24, 2002
6405509 Lightweight structural element, especially for building construction, and construction technique thereon Jun. 18, 2002
6397541 Decorative panel Jun. 4, 2002
6381917 Lift door panel May. 7, 2002

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