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Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.

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Class 52/590.3 - Having mortise with internal space


Subclass of Class 52 - Static structures (e.g., buildings)
Definition: Integral dovetail key wherein the fan-shaped indentation
No. of patents: 21
Last issue date: 05/27/2008


NumberTitleIssue Date
7377079Flexibly connected panel elements
The invention relates to two panel elements which are flexibly connected to one another, at least one profiled lateral edge being provided on each of the panel elements for the flexible connection which, as connecting edges, have a suitable bearing and contact surfa...
05/27/2008
7222465Building board
A board suitable for installation on the side of a building has a front surface suitable for exposure to the weather, a rear surface, an upper end and a lower end, wherein the board has a stacking foot at either the upper end or lower end of the board, and has a sta...
05/29/2007
6918215Free floating sub-floor panel
A floor panel is provided for use in a sub-floor application. The floor panel has an upper member and a lower member. The upper member is made from a sheet floor material and the lower member is made from a waterproof sheet material. The lower member has a series of...
07/19/2005
6769219Panel elements
Panel elements are provided comprising several interconnecting panel elements of the same type. The panel elements comprise a groove formed by an upper groove cheek and a lower groove cheek and a tongue. The tongue comprises a rib oriented in a longitudinal directio...
08/03/2004
6758020Flexible interlocking wall system
A masonry wall system is disclosed incorporating a plurality of courses of masonry blocks, each block has vertical and horizontal interlocking structures with mating surfaces (11, 15, 16, 17). The main block, has a stabilizing slot. Metal reinforcement tendon...
07/06/2004
6675544Composite wood panels having tongue and groove edges
A composite wood panel having a first and second longitudinal edge, wherein the first edge includes a groove and the second edge includes a tongue for interlocking and engaging the complementary edges of an adjacent tongue and groove wood panel. The groov...
01/13/2004
6546691Method of laying panels
The present invention provides a method of laying and mechanically joining panels, especially floor panels. In a first step a first panel is already located in a first row. A second panel is positioned in a second row in a first position in relation to th...
04/15/2003
6523317Wall block with interlock
A wall block arranged to be stacked vertically for creation of a retaining wall, the block being of generally trapezoidal configuration having parallelly arranged front and rear surfaces along with opposed top and bottom surfaces. The top surface has fron...
02/25/2003
6438919Building component structure, or building components
The invention relates to flat and/or elongated building components (1, 2), preferably wooden, and a structure connecting these components (1, 2) in accordance with the groove and tongue principle. Two legs (3, 4) forming a groove (5) branch off from a fro...
08/27/2002
6347911Vortex shedding strake wraps for submerged pilings and pipes
Flexible elastomer wrap panels stretched and clamped encircling submerged pilings, risers and pipelines are coated to resist degradation by any form of marine life, and incorporate an interior pile-facing felt layer impregnated with a corrosion inhibiting...
02/19/2002
6250035Modular system for the creation or cladding of wall, ceiling and/or floor surfaces and the construction of functional surfaces and functional walls
A modular system that includes a plurality of modular elements that can be coupled together in a hidden manner with respect to the visible side. The modules are formed as areal, frame-like or three-dimensional shaped parts and are freely combinable with o...
06/26/2001
6019549Vortex shedding strake wraps for submerged pilings and pipes
Flexible elastomer wrap panels stretched and clamped encircling submerged pilings, risers and pipelines are coated to resist degradation by any form of marine life, and incorporate an interior pile-facing felt layer impregnated with a corrosion inhibiting...
02/01/2000
6009679Wall elements for wooden buildings, a method for manufacture thereof and a method for erection of wooden building with such wall elements
A wall element for wooden building comprises a number of board members (11, 23) of uniform length which are joined side by side by designing the opposite side edges of the elements with cooperating engagement members which between two neighboring elements...
01/04/2000
5941038Modular system for the creation or cladding of wall, ceiling and/or floor surfaces and the construction of functional surfaces and functional walls
A modular system that includes a plurality of modular elements that can be coupled together in a hidden manner with respect to the visible side. The modules are formed as areal, frame-like or three-dimensional shaped parts and are freely combinable with o...
08/24/1999
5899251Wood machineable joint
One or a plurality of machined timber elements of complimentary first and second configuration wherein each element is characterized by having at least one face surface (1,2) and one abutment surface (3,4) wherein said abutment surface incorporates in sai...
05/04/1999
5685119Wall construction system
A wall construction includes a plurality of shaped bricks for dry attachment to one another. Each said brick has a first bearing surface which includes a groove formed with a recess, and a second bearing surface in substantially parallel relationship to t...
11/11/1997
5410849Modified insulated panel
A modular building panel having a roofing surface capable of accepting roofing shingles is disclosed, and includes two metal sheets separated by an insulating foam core bonded to the sheets and a first interlocking member on one side and a second interloc...
05/02/1995
5357728Jointing of building panels and sheets
An improved panel jointing system wherein panels (10,11) are provided with profiled edge portions comprising tongue formations (12) and recesses (13) which are of complementary shape to the tongues (12), the tongues (12) of one panel being receivable in t...
10/25/1994
5293728Insulated panel
A modular building panel having an interlock mechanism for connecting building panels in series is disclosed, includes two metal sheets separated by an insulating foam core bonded to the sheets and a first interlocking member on one side and a second inte...
03/15/1994
4182093Grille
A grille for use as a sun screen, decorative facing, vision barrier or the like is made up of a multiplicity of modular pieces, each of which is of uniform cross section along its length and has walls having spaced-apart, parallel edges defining a base pl...
01/08/1980
4178738Modular grille
A grille for use as a sunscreen, decorative facing, vision barrier and the like is made up of a multiplicity of modular pieces, each of which is of uniform cross section along its length. Each piece has walls terminating in spaced-apart parallel edges tha...
12/18/1979
 
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