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Patent No. 6295668

Maternity Beach Chair

A beach chair which can be adapted for a woman who is pregnant and wishes to sunbathe in the prone position.

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Class 33/493 - Particular material


Subclass of Class 33 - Geometrical instruments
Definition: Subject matter wherein the straightedge is constructed of
No. of patents: 32
Last issue date: 07/22/2008


NumberTitleIssue Date
7401413Disposable wound measuring device
A disposable wound measuring device for making simultaneous three-dimensional (length, width and depth) measurements of a wound or ulcer to facilitate wound care assessment and healing that includes a flexible, clear plastic planar card or member superposed on the w...
07/22/2008
7191530Compass assembly
A compass assembly includes a tape measure apparatus that includes a housing and a tape measure removably extendable outwardly of the housing. A disc has a top side, a bottom side and a peripheral edge. The disc has a centrally located opening extending therethrough...
03/20/2007
7155838Apparatus for gauging a dimension of an object
An apparatus for gauging the dimension of an object. The apparatus has a wall with a generally flat front surface, facing a first direction, and a peripheral edge. Space graduations are provided on the wall relative to which a dimension of an object placed in front ...
01/02/2007
7137206Writing guide
A guide for freehand writing or similar graphics comprises a writing support that eliminates the task of drawing lines and then erasing them in order to write on a straight line. The writing support forms a forgiving visual line that recedes when writing letters wit...
11/21/2006
7111408Folding rule
A folding rule includes a plurality of segments having length indicating indicia thereon, including a plurality of intermediate segments having a length to thickness ratio in the range of 40:1 to 60:1; the segments pivotally connected together and pivotally moveable...
09/26/2006
7103983Multiple component and interactive growth chart and method
A multiple component, interactive growth chart assembled from a plurality of growth chart components. The individual components are preferably building block type, and have means for coupling one component on top of another. The components have a disclosed height, s...
09/12/2006
7062862Retractable rule
A retractable rule assembly including a housing and reel rotatably mounted in the housing and having an elongated blade formed from ribbons of metal. One end of the blade is connected to the reel and extends from a position tangential to the reel outwardly through a...
06/20/2006
7032319Ruler with anti-slipping member
A ruler (2) is disclosed, for desk use having an elongated ruler body (4) with a cross-sectional profile enabling at least one part of the ruler body to be placed either at a distance from the underlying layer or in contact with the underlying layer. T...
04/25/2006
6994289Reel rotation mount arrangement equipped with friction reduction means for tape measure
A tape measure is constructed to enhance a rotational movement of the tape reel with respect to the supporting axle which has two ends supported at the sidewalls of a casing respectively. The tape reel is rotatably supported by the supporting axle and the elongated ...
02/07/2006
6671092Reflective measuring scale graduation and method for its manufacture
A reflective measuring scale graduation, as well as a method for manufacturing the same are described. The reflective measuring scale graduation includes first and second subdivisions having different reflection properties, which extend in at least one fi...
12/30/2003
6349479Ruler for guiding a blade and for providing shielding protection from the blade for the hand holding the ruler
A ruler that guides a blade and provides shielding protection from the blade for the hand of a user not holding the blade, not only when the blade is drawn along the ruler and cuts a sheet of material, but also if the blade should be lifted and accidental...
02/26/2002
6219976Multi-purpose, positioning-fastening strap
A multi-purpose, positioning and fastening strap is disclosed for use in the construction of building structures. The strap is made from a flexible, durable, non-stretchable material and has a high breaking load. The strap is usable for various constructi...
04/24/2001
6163970Linear encoder with a modular scale and a method of producing same
A linear encoder including a modular scale having at least one support and a plurality of graduation carriers mounted on the support and arranged one behind another in a longitudinal direction, with the support and the graduation carriers having substanti...
12/26/2000
5996290Multi-purpose, positioning-fastening strap
A multi-purpose, positioning and fastening strap is disclosed for use in the construction of building structures. The strap is made from a flexible, durable, non-stretchable material and has a high breaking load. The strap is usable for various constructi...
12/07/1999
5943784Measuring nail
This invention provides a measuring nail which can be prevented from being pulled out from a roadbed even when pushed down on the roadbed by a motorized grader, a macadam roller, a tired roller, a tire of a dump car carrying a pavement material or a foot ...
08/31/1999
5842402Safety device with cutting edge used when cutting fabric and like products
A safety device with a cutting edge used with a cutting tool when cutting fabric and other similar items. The safety device designed to protect a first hand of a user of the device when a second hand is using the cutting tool. The safety device includes a...
12/01/1998
5653415Adjustable-height support for shuttering in the building trade
An adjustable-height support for shuttering in the building trade, in particular a ceiling support (1), comprises an outer tube (2) in which an inner tube (3) is guided in a displaceable fashion whose position can be fixed with respect to the outer tube (...
08/05/1997
5531028Printed sheet measuring device
An inexpensive tape measure which can be incorporated into mail order catalogs and the like for providing potential purchasers of clothing or accessories a measuring device for obtaining necessary dimensions for making size and product selections consisti...
07/02/1996
5461795Measuring instrument and method of making same
A measuring instrument, e.g. a ruler, has an upper measuring surface provided with graduation marks and numerals and a lower surface. The instrument comprises a first plastics molding formed with apertures therein and one or more second moldings molded to...
10/31/1995
5095632Composite structure unidirectionally stable with respect to thermal and moisture expansion
A structure which has a low coefficient of thermal and moisture expansion along one dimension (an axis) is formed of an arrangement of fibers surrounded by and bonded to an engineering thermoplastic resin. The fibers are arranged so that essentially all o...
03/17/1992
5088209Metrological scale
An optical metrological scale produced by a rolling method, to give a profiled upper scale surface which is imparted by an embossing roller. To prevent uneven strains, which could affect the pitch of the scale, the support roller has a similar embossing p...
02/18/1992
4926566Method of producing a metrological scale and scale produced by such method
A metrological scale for use in optoelectronic scale reading apparatus comprising a tape made of spring steel and having a surface layer of copper. The scale has scale marks constituted by a zig-zag or other profile impressed into the surface layer by a r...
05/22/1990
4679325Chalk line marking device
An improved chalk line marking device for placing chalk marks at regularly spaced intervals along a straight line on a workpiece includes a composite tape having a central layer of porous material receptive to chalk. Upper and lower layers overlying the f...
07/14/1987
4665623Illuminated drafting aid
A drafting T-square including a base block with a pivotable straight bar which can be manipulated as a protractor. A scale is slidable along the straight bar for extending beyond the straight bar. A further arm is pivotable with respect to the straight ba...
05/19/1987
4633592Precision rule
A precision rule having a handle part, preferably of aluminum, a holding part, preferably of a hardened steel and a rail embedded in a longitudinal groove of the holding part having a measuring edge, preferably of a hard metal. The handle part and the hol...
01/06/1987
4339881Parallel-ruling straightedge
A parallel-ruling straightedge assembly having a base member adapted to be translated over a drafting surface, a first straightedge member of a transparent acrylic material extending along one longitudinal edge of the base member and adapted to provide a ...
07/20/1982
4312133T-Square
A T-square useful for drawing lines and cutting paper or plastic sheets comprises a ruler main body of a plastic material and an auxiliary ruler section detachably and turnably connected to an end of the main body by threaded fastening members, one of the...
01/26/1982
4214368Dipstick for liquid nitrogen
A method for measuring with a flexible dipstick the nonvisible level of liquid nitrogen in a container. The dipstick, made of a solid plastic strip having a flat cross-section and a dark color on which is printed a visible scale, is inserted into the liqu...
07/29/1980
4155165Picture mat marking instrument
An instrument for marking, in preparation for subsequent cutting, of picture mat stock utilized in producing octagonal single or dual matting of pictures, comprising a base plate having a right angle indentation in one of its margins for accommodating the...
05/22/1979
4024831Transparent ruler having longitudinally positioned colored area for isolating rows of symbols for rapid scanning
A transparent ruler formed of synthetic resinous materials having a longitudinal strip of contrasting light transmitting properties which may overlie a line of characters in a group of such lines to facilitate the rapid scanning thereof....
05/24/1977
4005527Depth gauge
A depth gauge includes a number of alternating sections of material which are X-ray transparent and X-ray opaque, respectively. The sections are carried in an elongated cylinder, and are each of a predetermined known length. The depth gauge is insertable ...
02/01/1977
3934352Linear measuring instrument
A rigid linear measuring instrument has a central core moulded integrally with plastics bodies in relief. A plastic material of different colour is moulded over the core flush with outer faces of said bodies which form a series of graduation figures and g...
01/27/1976
 
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