Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7243898 | Moulding accessory and method of using same A moulding accessory to form a void around a recessed lifting loop in a moulded concrete product such as a concrete cladding panel. The moulding accessory is formed from a body which is sized and shaped to fit with said lifting loop. The body is hollow, but sufficie... | 07/17/2007 |
| 7000886 | Molding for architectural concrete forming There is disclosed a molding for architectural concrete forming. The molding may be manufactured by applying a coating to a stock. The architectural molding may be rendered better-suited to certain environmental conditions or for certain uses by applying appropriate... | 02/21/2006 |
| 6969040 | Former for a reinforced concrete slab The invention provides for a removable former which is interlockable with other, similar formers between spaced-apart ribs to form shuttering between the ribs for a reinforced concrete slab. The former includes a hollow block (110) which has a top face (11... | 11/29/2005 |
| 5855808 | Concrete forming member This invention is a paper-based concrete form member and a method for using it. The forms may be made from layers of paper honeycomb material or corrugate. The forms may be structured to be hollow, if so desired. They are principally useful in forming rec... | 01/05/1999 |
| 5397096 | Forming apparatus for concrete floors, ceilings and walls A reusable low maintenance forming system for forming concrete floors, ceilings and walls with joists thereunder utilizes concrete displacement form pans supported by a temporary framework and floor. A plurality of alignment channels are arranged in paral... | 03/14/1995 |
| 4957269 | Recoverable self-supportable cribwork for slabs on prefabricated beams Apparatus is provided for arch centering for slabs formed on prefabricated beams of reinforced or prestretched concrete, steel, wood, or the like, which includes elements of steel plate or another material having similar properties, constructed in a flat ... | 09/18/1990 |
| 4890993 | Apparatus for forming concrete structures A primary forming member is associated with a secondary supporting structure to allow rapid construction of elongate concrete structures of uniform cross-section by removing the primary forming member before the concrete mass supported by the secondary su... | 01/02/1990 |
| 4881714 | Concrete molding system with tubs Concrete molding apparatus that includes an integral lattice frame having a first set of elongated expanses extending in one direction on the frame and a second set of elongated expanses extending transversely of the first set. These expanses define openi... | 11/21/1989 |
| 4828217 | Molding apparatus for production of concrete box-units The invention relates to an open type box-unit with multi-purpose application for the complex industrial construction of prefabricated houses, of buildings with different numbers of stories, and to molding apparatus for its production. The box-unit has a ... | 05/09/1989 |
| 4492358 | Truss shoring system and apparatus therefor The invention relates to a truss shoring method and an apparatus therefor utilized in the pouring of concrete floors and includes a plurality of unitary members adapted to provide vertically adjustable and horizontally movable primary modular units servin... | 01/08/1985 |
| 4243200 | Form pan structure A form pan section comprising a top wall and opposed side walls depending from a respective opposed side of the top wall. A support flange is provided along a free edge of each of the side walls. The support flange has a load supporting bearing section. M... | 01/06/1981 |
| 4170338 | Floor shuttering Floor shuttering comprising a predetermined number of elongated forms having inverted U-shaped cross-section, said forms being mutually joined together along adjacent side edges and being arranged on inverted U-shaped support members, which are carried on... | 10/09/1979 |
| 4003542 | Form pans for constructing ribbed slab structures The present invention encompasses a form pan for use in a form structure, the pan comprising a unitary shell having a top wall, opposed elongated side walls and end walls. A peripheral flange is formed about a free end of the side and end walls and define... | 01/18/1977 |
