Class 52/741.2 - Stair

Subclass of Class 52 - Static structures (e.g., buildings)
Definition: Subject matter wherein the process comprises a method of
No. of patents: 40
Last issue date: 03/27/2012

Number	Title	Issue Date
8141321	Stair tread overlay and method A stair tread overlay includes a tread and a front nosing attached to a front edge of the tread by a tongue and groove joint to provide a strong mechanical joint between the nosing and tread. Adhesive may be applied at the tongue and groove joint to enhance the stre...	03/27/2012
8112965	Assembly and method for the construction of monolithic tiered concrete slabs The assembly and method of the present invention is used for forming a monolithic tiered concrete slab or stairway. The assembly includes a plurality of foam blocks positioned adjacent one another and in a plurality of rows on a support base. The upper surfaces of t...	02/14/2012
7497060	Method for forming a finished skirt/fascia board appearance A stairway with a finished skirt/fascia board is formed using parallel stringers and tread/riser support brackets spaced and aligned along the stringers. The brackets are temporarily and pivotally attached to stringers and the stringers are moved parallel to and rel...	03/03/2009
7469516	Modular staircase construction A staircase structure, representatively at least partially curved, is constructed from longitudinal modules each having tread, riser and stringer portions. In one embodiment of the construction technique, stringer portions of the modules are longitudinally telescope...	12/30/2008
7137230	Post support system An internal support system for a hollow plastic post comprising a rigid column on to which the post can be sleeved, a member secured to the lower end of the column for securing same upright, and at least one support bracket attachable to the column at a selected poi...	11/21/2006
6960273	Process for renovation of a staircase A process for the renovation of the steps of a staircase including step treads and risers, whereby, starting from the top step to be renovated, starting on the step tread thereof, a step tread plate provided with an impact section that protrudes beyond the step trea...	11/01/2005
6869553	Method for forming a precast brick riser A method of manufacturing a prefabricated precast riser module, where the required forms that are used in casting the modules are reusable and need not to be transported to the construction site. Each precast riser assembly is finished having brick facings. Brick fa...	03/22/2005
6845595	Method for constructing a balanced stair For designing a balanced stair comprising steps with treads (1-15) showing front edges (26), a line of travel (22) is determined on the stair and a reference line is determined onto each step in a predetermined position with respect to the front...	01/25/2005
6796090	Adjustable and reversibly securable terrace stairs Stair elements installed on sloped ground starting bottom up and using a riser reversibly secured with a clamping mechanism. Each riser is attached to a corresponding tread at the time of installation. The manner of fixing the riser to the tread permits the relation...	09/28/2004
6568145	Mode of installation of a pre-manufactured stair balustrade A balustrade which features premade gallery, rake and starting newels and rail sections, and the process for installing the balustrade using the newel of this invention. The newel is a tubular member having an insert disposed at the lower end thereof, and...	05/27/2003
6539672	Telescopic seating system tier catch and method A locking system for a telescopic seating system is disclosed. The system provides a means to releasably lock adjacent telescopic seating platforms together and a means to release the locking mechanism without the need for a trip bar or other like device....	04/01/2003
6467234	Stairway system A prefabricated stairway module (10, 11) comprises a first step and a second step, each step (14) having a tread member (13) and a riser member (15). The stairway module further has fixing means (31) for fixing the module to a sloping surface on which it ...	10/22/2002
6374562	Adjustably sizeable raised panel system for stairs and method for forming and installing same An adjustably sizeable raised panel system is disclosed which is attachable to a lower outer surface portion of a wall along flights of stairs having different rises and runs or slopes. The system includes adjustably sizeable raised panels which include a...	04/23/2002
6189272	Multi level vehicle service system A multi-level vehicle servicing system includes site-erectable units each with four levels, to facilitate vehicle repairs by several technicians at the same time. Each unit includes vertical structural members, horizontal supports, flooring, tool storage,...	02/20/2001
6115975	Stair system A stair system employing an improved stair nose molding and back molding which provides for a stair system having a free-floating riser and a free-floating tread, the stair nose molding having a cutout with tongue for receiving grooved stair tread and a g...	09/12/2000
6101770	Three-piece stair nosing A three piece stair nosing is used in new construction and the reconstruction and repair of stairs, primarily for industrial and commercial applications. The stair nosing comprises a metal sub-channel, a front channel including a tread surface, and a rear...	08/15/2000
5787674	Method of installing laminate covered stair nosing Laminate covered stair nosing is affixed with sheet metal prongs, extending at right angles from the top surface of a sheet metal fastener, on the leading edge of a stair step. The sheet metal fastener has a U shaped flange extending beyond the leading ed...	08/04/1998
5644893	Method and apparatus for constructing multi-storey buildings A method and apparatus for constructing a multi-storey building. A first slab (22) is formed directly on top of a second slab (21). The slab (22) is formed with a plurality of apertures spread about the slab area. A plurality of extendible prop means (10)...	07/08/1997
5632124	Circular stairway and method of making same A circular stairway and method of making same, including a helical newel formed by installing a cylindrical tube or pipe with its longitudinal axis concentric with the vertical axis about which the circular staircase is to wind. The treads are then affixe...	05/27/1997
5613341	Modular staircase system An "off the shelf" modular staircase system is described that allows for a flexible fit of the staircase into custom plan areas and/or areas in which the ceiling-to-floor height varies. The modules form a complete staircase and not a mere skeleton of a st...	03/25/1997
5605025	Deck assembly for retrofitting bleachers A deck assembly is provided for retrofitting bleachers having a plurality of rows of seats and a foot board supported by a plurality of floor support members located between adjacent rows of seats. The deck assembly includes an elongate walkway panel adap...	02/25/1997
5592793	Router machine A router machine for making repetitive router cuts at predetermined positions on one or two workpieces. The router machine has a free standing main frame with an open work horizontal platform for supporting said one or two workpieces. The platform has a l...	01/14/1997
5592801	Mobile stair system for pets and animals, method of making said mobile stair system This invention relates to a mobile stair system for pets and other small animals, a method of making said mobile stair system, and a method of producing elements of said mobile stair system. Said mobile stair system comprises a number of crossbars, a left...	01/14/1997
5372466	Device to eliminate squeaks in floors and method Squeaks in a floor or stair are eliminated by driving screws in the area. At least one scored screw to be driven into the squeak area combines with a specialized driving bit and a alignment and depth control fixture to eliminate the squeak. The alignment ...	12/13/1994
5371992	Device to eliminate squeaks in floors and method At least one scored screw is driven into the squeak area with a specialized driving bit and an alignment and depth control fixture. The alignment and depth control fixture is used to direct the scored screw to the proper point into the floor so that the s...	12/13/1994
5246640	Method of constructing a wall from pourable concrete material A method and apparatus for constructing a poured concrete wall in which the concrete is poured into forms provided between a pair of parallel-opposing panels having reinforcing therebetween. The panels are supported on frames which are adapted to be clipp...	09/21/1993
4930273	Multilevel modular building with scissor stairs and method of assembly A multilevel modular building with scissor stairs and a method for constructing such a building is disclosed. The scissor stair comprises a pair of stairways connecting the floor of a module on a lower level with the floor of a module directly above. The ...	06/05/1990
4838005	Stairway apparatus and method of manufacture Stair apparatus and method of manufacture, wherein the stair apparatus has concrete tread pads and landings which are poured and set during manufacture so that pouring and setting of the concrete does not have to be done in the field, thereby saving much ...	06/13/1989
4831706	Method of making spiral staircases A method of constructing a spiral staircase to the specifications of an architect comprising the steps of taking a plurality of flat rectangular sheets of metal and cutting the front edge at an angle to form the front edge of a tread. Then cutting a pair ...	05/23/1989
4722164	Non-linear stair A modified construction for a non-linear or curved staircase employs a technique in which the treads for the staircase are initially cut to the required shape and size. Flexible plywood boards of the same length and height as the required stringers are th...	02/02/1988
4722374	Method for fabricating wooden circular stair with balustrade A wooden spiral staircase having a hollow central support column, treads which abut but do not attach to such column, tread supports ending in tenons which completely intersect the column and are secured by a wedged-through mortise joint, spacerblocks bet...	02/02/1988
4593503	Adjustable stair guide and support Several horizontal links have inward-projecting horizontal flanges for supporting the treads of a stairway. Such links are uniformly spaced apart elevationally by upright parallel links pivoted to the horizontal links to form a lazy tongs linkage. One suc...	06/10/1986
4589237	Stair module support and leveling construction A support system for supporting and securing on a substrate and in the desired position a stair module is described. The stair support arrangement advantageously used with swimming pools includes a vertical post which, at the top, supports the stair botto...	05/20/1986
4583334	Modular carrier for stair tread A modular carrier for stair treads (15) is provided so that treads may be evenly spaced and hung between a pair of stringers (25, 25'). A pair of vertical side walls (16, 16') extend above the tread and have a mounting plate connected thereto lying in a p...	04/22/1986
4527367	Spiral staircase The invention relates to a spiral staircase which features adjustable rise, and whose structure is obtained by the assembly in reciprocal fashion of identical modular components (1) fitted one on top of the next, each component comprising a cylindrical se...	07/09/1985
4413460	Method of assembling a spiral stair case A do-it-yourself spiral staircase has a central column (1) made of a hollow steel tube or pipe, which extends between a support (2; 7; 16) on a lower floor and a landing plate or end tread (3) on an upper floor of a residence or office building. The indiv...	11/08/1983
4367613	Stairs and method of making the same A construction for wooden stairs that permits standardized, factory machined components to be pre-packaged and shipped to the job site where they can be installed to fit almost any installation. The structure includes stringers which have riser and tread ...	01/11/1983
4154032	Stairs and method of making the same A construction for wooden stairs that provides for rapid layout and assembly of the stairs by using an interlocking technique that locks the treads and risers into the stringers without the use of fasteners, adhesives or wedges. The construction technique...	05/15/1979
3994113	Stairs and railing system for multi-floored buildings and method of constructing same A stairs and method of constructing same is disclosed for multi-floored buildings having walled stairwells. Each run of stairs comprises parallel spaced apart stringers having horizontally extending ends for mounting platform members and a plurality of sp...	11/30/1976

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Class 52/741.2 - Stair