Class 52/189 - Precast stonelike component

Subclass of Class 52 - Static structures (e.g., buildings)
Definition: Structure in which at least one part, e.g., tread, riser
No. of patents: 32
Last issue date: 04/17/2007

Number	Title	Issue Date
7204060	System for manufacturing structures of cementitious materials This disclosure is a system which includes processes, machines, articles of manufacture and compositions of matter required to construct a habitable structure comprised of a cementitious product, preferably autoclaved aerated concrete (“AAC”), formed in unique b...	04/17/2007
7165362	Glass support member A monolithic glass member for supporting loads is disclosed. The glass member includes a plurality of glass sheets that are laminated together with one or more bonding layers. One of the glass sheets has a cut out at an edge thereof to receive a connector. The conne...	01/23/2007
7047698	Exterior step system made from masonry units attached via a metal frame A step system made up of masonry panels of various sizes pre-formed to resemble natural stone or brick on the outside. These panels have bolts or other securing devices embedded in them at precise locations at the time of their manufacture. These securing devises al...	05/23/2006
6922955	Pre-cast dock leveler pit A dock pit for a dock leveler mechanism comprises a pre-cast concrete body including integrally formed side, rear panel and front panels, all forming a continuous perimeter open therethrough to receive the load leveler mechanism. Each side panel has a top edge and t...	08/02/2005
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
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
6681542	Stair block for use in landscaping and method for use thereof A block for an outdoor staircase stair includes an open four-sided block having a web interconnecting opposing sides and transversing the cavity within the block. The web includes vertical voids which extend from the top of the web into the body of the we...	01/27/2004
6634145	Modular stone stair system A modular stone stair system using a plurality of modules in the form of stringers, risers, treads and landings in standardized thicknesses and widths. The risers, landings (if any) and treads have different widths dependent upon the width of the stairs d...	10/21/2003
6374570	Apparatus and method for joining dissimilar materials to form a structural support member A preformed component or "preform" for a structural member has a planar base with two longitudinal legs extending in parallel from the base. A channel is defined between the legs for insertion of a flat panel that forms the web of the structural member. T...	04/23/2002
6374556	Concrete elevation assembly, hollow concrete block, and method of making In a method for forming a block having a core, the core is formed in a vertical orientation, providing for increased control of wall thickness. The block has a projection on one surface and a groove on an opposing surface. The block core is disposed paral...	04/23/2002
6260313	Cantilevered coping over the top step of an in-ground liner type swimming pool Method, apparatus and product providing a cantilevered coping about prefabricated stairs of an in-ground liner type swimming pool. Disclosed is a polystyrene form board of desired profile face to effect a complementary fit onto a top of the stairs, fasten...	07/17/2001
6176049	Concrete elevation assembly, hollow concrete block, and method of making In a method for forming a block having a core, the core is formed in a vertical orientation, providing for increased control of wall thickness. The block has a projection on one surface and a groove on an opposing surface. The block core is disposed paral...	01/23/2001
5862634	Bearing device A load bearing device is disclosed, which includes a girder to support the load. The girder is accommodated in a housing connected to the load and can be pulled out from the house to engage a girder receptacle, which is fastened to a wall or the like. By ...	01/26/1999
5511347	Adjustable sheet metal moulds for steel and precast concrete stairs Sheet steel pan forms bent or rollformed to specific "universal" profiles allow the manufacture of concrete tread filled steel stairs or precast concrete stairs. The profiles adjust against each other under the specific angle of 26.565 and thereby, used i...	04/30/1996
5479746	Component for the construction of ground-bearing stairways and ramps and components for embodying same The invention relates to a prefabricated concrete component system for forming ground-bearing stairways, platforms, terraces and analogous structures of one or more layers. It is the object of the invention to be able to construct, from a few basic compon...	01/02/1996
5402610	Standardized step module for building prefabricated staircases, process for producing such module, prefabricated staircase and process for assemblying prefabricated staircases The standardized step module according to the present invention is provided with a pair of wings disposed aside of the step and having the shape, as seen in a side section, of a parallelogram whose bases are parallel to the tread of the step and are separ...	04/04/1995
5207039	Footboard for indoor staircase A footboard for an indoor staircase which is temporarily fixed to notchboards with ease. In fixing the footboard to the notchboards, the lower end portion of a riser of the footboard is made free so that the footboard can be employed in the staircase prov...	05/04/1993
5203128	Precast stair system having improved releasably connected steps A precast stair system having releasably mounted steps is disclosed. The system includes first and second elongate, generally parallel stringer elements having respective inner surfaces that face each other and a plurality of individually precast steps th...	04/20/1993
5167102	Reversible footboard for staircase A reversible footboard for staircase is capable of changing the pattern on the same footboard by decorating the obverse and reverse surfaces thereof with different patterns. The reversible footboard for staircase to be fixed to notchboards for forming a s...	12/01/1992
5014475	Step module for use in constructing stairways A step module is provided for use in constructing stairways. Each step module includes a tread portion and a riser portion connected at a nosing so that a plurality of modules may be secured adjacently in stepwise fashion to create a stairway. A shoulder ...	05/14/1991
4995205	Precast stair system A precast stair system is disclosed, including a plurality of individually precast steps. Each step includes a tread portion and a riser portion that is integrally connected to the tread portion and extends generally downwardly therefrom. One or more elon...	02/26/1991
4893442	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 ...	01/16/1990
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
4598524	Foundation of the handrail A device in U-shape has two plates, one lower one upper, by which the vertical bar of a handrail can be welded. It can increase the stability of the handrail on the one hand, and the plates can be adjusted to match the location of the lower end of the ver...	07/08/1986
4539780	Storm cellar or the like A storm cellar or the like is disclosed composed of a pair of portable upper and lower pre-cast concrete sections one of which seats in an inverted position on the other to define a closed compartment. Each section includes a portion of a stairway of conv...	09/10/1985
4438608	Stairtread for spiral staircase Pie shaped stairtreads are mounted to a vertical column with spacers to provide a desired riser height. Each tread includes a tubular sleeve with a T-shaped frame welded to the sleeve. The frame extends peripherally of the pie shaped tread and includes tw...	03/27/1984
4248020	Precast concrete stairway module A precast concrete stairway module comprising a concrete wall assembly which is C-shaped in plan view, providing a side wall and two end walls, a concrete stair flight extending from an edge of one side wall to a mid-height position of the other side wall...	02/03/1981
4226065	Stair construction and method for making same Stair construction and process for producing same are provided wherein at least one wooden plate is provided to form a wooden shell which constitutes the stair outer surface. A reinforcement member and filler material are disposed within the interior stai...	10/07/1980
4003450	Small structural building component A small reinforced structural building component, in particular a step, comprises a solid block of rock or the like with at least two longitudinal bores and at least one transverse bore intersecting the longitudinal bores, and reinforcing means extending ...	01/18/1977
3993122	Steps, stairs and the like A flight of steps, stairs and the like heated by means of a heating medium passing through a pipe means located within the steps, stairs etc. The pipe means is located totally within the confines of the step structure and extends in a tortuous path genera...	11/23/1976
3986579	Stairway construction An inclined pair of stringer beams carries a plurality of transverse steps supported on saddles secured to the stringers. The upper tread surfaces of the steps are planar whereas the lower surfaces are arcuate, with a predetermined radius of curvature mat...	10/19/1976
3981112	Prefabricated stair construction A prefabricated stair construction consisting of a pair of spaced, parallel stair stringers, either one or both being a free span member between support beams with developed strength of a rigid truss by the joining of stair rails, balusters and stringer i...	09/21/1976

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Class 52/189 - Precast stonelike component