Class 33/376 - Add-on-type reference-surface section

Subclass of Class 33 - Geometrical instruments
Definition: Device including a surface for cooperation with a workpiece
No. of patents: 33
Last issue date: 10/30/2007

Number	Title	Issue Date
7287338	Gauge for measuring gun dimensions A firearm measuring device for measuring all external dimensions of a firearm is comprised of an elongated rectangular caliper body member having measurement indicia inscribed thereon. A pair of jaws affixed on the caliper body member, one jaw affixed to a carriage ...	10/30/2007
7281335	Carpenter's level A level assembly includes a main level with a base wall, end supports at opposite ends of the base wall and at least one intermediate support extending from the base wall at a location between the end supports. Bubble tubes may be mounted in the end supports and/or ...	10/16/2007
7243436	T-bevel plumb tool A t-bevel plumb tool configured for identifying and placing a plumb line has the components typical of a t-bevel, namely a handle and a blade that pivotally attaches to the handle, and a plumb indicator that, in one embodiment, removably attaches to one end of the b...	07/17/2007
7150107	Structure and method for holding and protecting vials in levels A level and a method of forming such a level are disclosed. The level comprises a body having a measuring surface and a recess, a vial positioned in the recess at an angular relationship to the measuring surface, and a ring member enclosing the vial within the reces...	12/19/2006
7150106	Method of using a level A water or spirit level is composed of an elongated body, preferably of metal, at least one bubble mounted in the elongated body, and end caps, preferably of plastics material, at the end faces of the elongated body, wherein at least one outer surface of the elongat...	12/19/2006
7086166	Spirit level with integrated inclination adjustment mechanism The present spirit level has an elongated body with a longitudinal leveling face and at least one inclination peg retractably mounted in the body. The inclination peg is configured to selectably extend at least partially out from the leveling face by at least one pr...	08/08/2006
6915585	Spirit level A spirit level including first and second profile elements which can be displaced relative to one another in a telescopic manner and fixed relative to one another by means of a fixing element. In order to ensure that the first and second profile elements remain alig...	07/12/2005
6912794	Bricklayer's combination level and plumb A bricklayer's combination level and plumb having a first I-section beam, a second I-section beam, and a connector pivotally and slidably connecting the second I-section beam to the first I-section beam wherein the second I-section is angularly displaceable up to an...	07/05/2005
6694632	Level A level comprises a frame defining first and second parallel channels and first and second rails fitted slidingly in the first and second channels respectively. The level is adjustable in length by sliding the rails in the respective channels of the frame...	02/24/2004
6293023	Level A level comprises a frame defining first and second parallel channels and first and second rails fitted slidingly in the first and second channels respectively. The level is adjustable in length by sliding the rails in the respective channels of the frame...	09/25/2001
5870832	Frame for gravity-related measurement device A device for positioning an elongate gravity-actuated measuring instrument, such as a goniometer, adjacent two three-dimensional objects to measure an angle between the two objects includes first and second members. The first member is joined to, and exte...	02/16/1999
5806196	Method and apparatus for aligning a towed vehicle with a towing vehicle A method and apparatus (10) for aligning a towed vehicle (12) with a towing vehicle (14) is disclosed. The method is implemented with an alignment apparatus (10) including a base (22) configured for attachment to the towed vehicle (12), a platform (23) ro...	09/15/1998
5655309	Tool for determining true vertical for tubular objects A construction tool for orienting the longitudinal axis of a tubular work piece perpendicular to the horizon (i.e. in a true vertical position) is disclosed. The tool comprises a concentric stack of tool sections increasing in external cross section area,...	08/12/1997
5617641	Adjustable length level An infinitely adjustable level with a pair of extenders that extend out from opposite ends of a central body. The level vials can be attached to the extenders, to the central body, or to the extenders and the central body. In this manner the level vials w...	04/08/1997
5442864	Level A hand tool for leveling operations includes level and plumb indicators in an elongated, linear support member, or body. Disposed on opposed ends of the support member are first and second telescoping extension members. By positioning the distal end of on...	08/22/1995
5433011	Combination interlocking segmented level A collapsible, compound level apparatus is provided and includes a first linear leveling section and a second linear leveling section. Each section includes at least one flat surface for contact with a work surface, and first and second bubble levels arra...	07/18/1995
5408752	Plumb tool kit attachable to the ends of a common level, or the like, used to determine vertical alignment A plumb tool kit attachable to the ends of a common level member, or the like, used to determine vertical alignment. The kit comprises a pair of end caps each having a cap body. Each cap body has a first and a second arm extending therefrom, the first and...	04/25/1995
5398423	Straight edge apparatus for laying ceramic tile Straight edge apparatus for setting a level, second row of tile in the tub splash above an upper side edge of a tub, and extendable straight edge apparatus are disclosed. The apparatus for setting the second row of tile comprises and elongate straight edg...	03/21/1995
5388338	Interlocking screed level An interlocking screed level and method comprising a rectangularly-shaped screed section having a top surface, a bottom surface, a front surface, a back surface, and a first and second end. A rectangular preform extension member of a lesser dimension than...	02/14/1995
5353509	Multi-purpose T-square and level combination tool A multi-purpose combination tool for forming an enlarged T-square or, alternately, an elongated carpenter's level to facilitate installation of wall panels, doors, windows, signs and the like. The tool comprises an arm and a cross member rigidly mountable...	10/11/1994
5245758	T-square attachment for carpenter's level An attachment for a carpenter's level to create a T-square comprises an integrally molded head member having a rectangular socket formed therein and extending perpendicular to reference edges defined by opposed parallel spaced-apart side walls. By inserti...	09/21/1993
5233760	Angular measuring mechanism A module for measuring level, plumb and various angles by a simple hand manipulation. The module, which contains a bubble in a vial, is in one modality located in a carpenter's leveling bar and is slidable therein so that it may always be oriented at eye ...	08/10/1993
5103569	Multipurpose combination leveling tool Disclosed is a leveling tool that has three leveling indicators mounted thereon, one of which is removable and usable as a separate tool when bending electrical conduit. A calculator is integrated into the leveling tool for performing calculations during ...	04/14/1992
4989332	Measuring apparatus Measuring apparatus having at least one measuring scale for effecting measurements, a straight edge for marking straight lines, a spirit level for testing for horizontality, and a friction-creating device for providing a grip for the measuring apparatus o...	02/05/1991
4910876	Level attachment An attachment for connection with an elongated carpenter's level for forming an enlarged squaring tool, the level having a central web portion with spaced apart bubble indicators and parallel flanges at opposite end edges of the web portions. The attachme...	03/27/1990
4635414	Adjustable door jamb leveler A device for use in positioning and securing a door jamb in a level condition. The device includes a spacer plate assembly having outer end portions which extend beneath the inner portion of the sides of the jamb during the leveling process. A pair of bol...	01/13/1987
4503623	Level A plurality of blocks are removably held between a pair of elongated straight frame members, the majority of the blocks carrying a spirit vial therein. The frame members are held together by either a plurality of springs connected there between or by inte...	03/12/1985
4461090	Headlamp adjuster A vehicle headlamp adjuster has an expandable plate with pads for contacting a roadway surface and then a vehicle headlamp. A level indicator has perpendicular, communicating spirit levels and is rotatable about an axis parallel to the plate, to set one s...	07/24/1984
4435908	Offset, extendable, quick-release plumbness indicating apparatus An apparatus for measuring the plumbness of vertical studs of building structure frames includes a vertical main body member with a horizontal vial therein and having first and second opposed, plane, parallel surfaces, first and second vertical extension ...	03/13/1984
4327501	Square adapter for level Mounting structure is provided for support from one side of an elongated body of a carpenter's level having a window extending transversely therethrough and opening through the aforementioned one side of the body. The mounting structure pivotally supports...	05/04/1982
4229885	Structure of vertical and horizontal surveying instrument A level for use in taking level readings on vertical and horizontal surfaces. The level has a case within which an enclosure with some instrumentation is disposed in a vertical position for taking level readings on vertical or horizontal surfaces. The ins...	10/28/1980
4150492	Precision level A precision level is the type that has a level indicating means and is turned end for end to determine the amount one point on which the end of the level rests must be changed in height with respect to a point at the other end of the level to have the poi...	04/24/1979
4070764	Level and collapsible ruler A combination collapsible ruler and level includes a pre-stressed coilable and uncoilable spring strip ruler with a level tube mounting block mounted intermediate the strip ends. The mounting block has a foot portion which engages the supporting surface t...	01/31/1978

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Class 33/376 - Add-on-type reference-surface section