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Patent No. 5285430

Behavior Modification Wristwatch

A wristwatch including a watch band and a watch body having an octagon shaped perimeter and being red in color and having the word STOP thereon to resemble a stop sign.

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Class 30/168 - Cold chisels


Subclass of Class 30 - Cutlery
Definition: Cutting tools commonly known as cold chisels for cutting
No. of patents: 46
Last issue date: 10/14/2008


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NumberTitleIssue Date
7434318Tool with enlarged hammer element
A tool includes a blade having a working edge and an attachment edge opposite the working edge, a handle with distal and proximal ends and a body having at least one diameter. The proximal end is associated with the attachment edge. A hammer element is associated wi...
10/14/2008
7363922Flat chisel
The invention relates to a flat chisel, in particular an insertion chisel for power-driven drill and chisel hammers for working stone, having a chisel head which has a main tip disposed transversely to a chisel longitudinal axis, a front and rear striking surface, a...
04/29/2008
7257896Tool for breaking spot welds
A chisel for breaking spot welds of a vehicle includes an elongate handle section with a grip and a slightly angled chisel section with blade faces on three sides and a rib generally parallel to a blade edge to limit insertion of a blade between vehicle body parts.
08/21/2007
7228631Contouring shave
The invention is directed to a hand tool for cutting shavings from the surface of a workpiece of wood (or other workable material) to shape and make smooth any three-dimensional surface having concave, flat, and/or convex contours. The thickness of the shavings is m...
06/12/2007
7204180Apparatus for cutting plastic profiles
An apparatus for cutting plastic profiles includes a knife which is guided transversally to the profile, the knife including a cutting section and a holding section, the cutting section defining a guide portion, a transition portion, and a blade portion defining a t...
04/17/2007
7055624Guide rail system for a power tool
A guide rail system (1) for a power tool (2), has at least two axially extending guide rails (3, 3′), at least one guide slide (4, 4′) displaceable on the guide rails (3, 3′) having a coupling part (5a, 5...
06/06/2006
7040416T-post hole-forming device and use for installing a T-post
The invention provides a T-post hole-forming device, comprising (a) a shaft; (b) a head for receiving a driving force at the top of said shaft; (c) a flat plate affixed to one side of said shaft, the shaft terminating in a pointed end for piercing the ground. Also p...
05/09/2006
7032586Single point engraving cutter tip
An improved single point engraving burin tip, for use in hand engraving and stone setting in the hand engraving and jewelry fields. More specifically, the invention provides a single point engraving tip with a secondary relieving area to the primary cutting edge.
04/25/2006
7007573Impact driver and fastener removal device
A fastener impact driver device 10 includes a fastener engagement member 12 having a plurality of projections 14 disposed about a lower portion 16 that engages a corresponding peripheral portion 18 of a fastener 20. The devi...
03/07/2006
6951046Hand pressure abatement apparatus for use with a power tool
A power tool user pressure abatement system may include a soft, cushioning material configurable to a tool such as a power tool, including a power drill, such that the material remains in position between the tool and a user's contacting hand, thereby minimizing imp...
10/04/2005
6796034Interchangeable head carving tool
A carving tool in which a concave hemispherical cutting head is detachably secured to a base member and a handle by fastener structure, thus securing the cutting head, the base member, and the handle to each other. The carving tool is a swinging impact tool which is...
09/28/2004
6578457Toolholder
A hand-operated toolholder for a chisel (1) and including a holding member for operating a chisel and having a protection flange at its end facing in a direction opposite to an operational direction (B), a tubular guide (2) for axially guiding the chisel ...
06/17/2003
5930899Molding and emblem removal tool
A pneumatic scraping tool includes a pneumatic hammer assembly including a cylinder in which a piston reciprocates for repeated impact against an anvil or blade holder which is rotatably received within an end of the cylinder and carries a scraping blade....
08/03/1999
5784787Sheet metal penetrating tool
A tool used to penetrate ductile sheet metal as the initial penetration in preparation for the attachment or installation of ducting and piping and particularly to forming the initial penetration in sheet metal sheet or ducting from which an opening is ma...
07/28/1998
5621962Method of manufacturing chisel for impact tool
A chisel and a method of manufacturing a durable chisel. An axial hole is formed in a chisel so that the hole is open at the chisel tip. Non-metallic powder is then supplied into the axial hole. A core member made of cemented carbide or other material har...
04/22/1997
5433005Chipping hammer
A hammer and chisel device for clearing slag from welds includes a chipping chisel interchangeably and springingly affixed within a weighted handle having a slip resistant grip. Since welds often produce slag in a hard to reach spot, the invention provide...
07/18/1995
5375332Hammer driven double cut shear device
A hammer driven double cut shear device (10) for punching and cutting sheet metal in a precision fashion; wherein the device (10) includes a handle unit (11) having a punching blade (33) projecting outwardly from one side of the handle unit (11) a cutting...
12/27/1994
5148599Mold extractor and method
A mold extractor and method of manufacture thereof is provided. The extractor or tool is used to remove the annular wall, bottom wall, and lid of a plastic mold container from a concrete test sample taken at a construction site for later testing in a test...
09/22/1992
5058275Chisel
A chisel for removing material (5) from a crack defined between two adjacent bricks, comprising a body (1) supporting an elongate tip (2) and defining shoulders (4) extending transversely of the tip. The width of the tip is less than the width of cracks f...
10/22/1991
5005286Mold extractor
A mold extractor and method of manufacture thereof is provided. The extractor or tool is used to remove the annular wall, bottom wall, and lid of a plastic mold container from a concrete test sample taken at a construction site for later testing in a test...
04/09/1991
4875289Chisel for removing damaged bolts, nuts and screws
A chisel for rotationally disengaging a threaded bolt, nut or screw, has at one end thereof a cutting edge for cutting into and penetrating a surface of the bolt. The chisel further includes a first chisel face terminating at the cutting edge of the chise...
10/24/1989
4829673Precision self-actuated woodworking tool
A self-actuated woodworking tool [T] for one-handed reciprocating operation has a chambered haft [1] and a tool shank [4] carried captively axially within the haft in slidable, reciprocal relationship. A shank portion [5] extending forwardly from the haft...
05/16/1989
4813134Sheet metal punching and cutting tool
A compact, easy-to-use sheet metal tool which is capable of receiving hammer blows and having a cutting element capable of penetrating the sheet metal to create a slot and to cut an extended slot in the sheet, the tool is further provided with a flat guid...
03/21/1989
4688856Round cutting tool
The round cutting tool (10) comprises a substantially cylindrical shank (11), carrying a separately manufactured annular collar (14) slipped subsequently on the shank and abutting against a stop element (13). As a result thereof, material and energy costs...
08/25/1987
4633586Safety chisel
A safety chisel especially adapted to shear bolts having a nut permanently attached thereto, while retaining the sheared bolt and nut assembly within a safety container portion of the chisel....
01/06/1987
4620369Drywall knife
A drywall knife includes a handle providing a hammer head and a blade which can be replaced. The blade has a main body and a projecting shank sandwiched between two separate handle portions. The handle portions are secured together and to the shank by nut...
11/04/1986
4607547Stripped hex head drive socket
A socket wrench modified by the addition of auxiliary gripper ribs to either prevent bolt head stripper action or to minimize the adverse effects of such stripper action. In one case the bolt head is initially formed to have grooves in its side surfaces m...
08/26/1986
4586496Surgical chisel
A surgical chisel is formed by a flexurally rigid chisel shank and a thin, elongated chisel blade fixed at its front end, which are both displaceably guided in slideways in a chisel guide, which lends the chisel blade buckling resistance....
05/06/1986
4549324Combination of screw spanner and nut breaker
A combination of screw spanner and nut breaker includes a head piece having a nut receiving hole and a female threaded longitudinal hole, a tail piece having a first male threaded protrusion and a second male threaded protrusion, each of which is capable ...
10/29/1985
4548278Percussion tool
A power operated percussion tool in which a shoulder (28) in the tool housing (10, 17) defines a rear rest position for working implement (12) attached to the tool, and in which an energy absorbing bias unit (23, 31) is arranged to resiliently load the wo...
10/22/1985
4520564Tool for removing automotive door panels
A tool for removing the outer sheet metal skin of an automobile door. The tool includes a head having a handle and a shank affixed to it, so that the tool can be held and guided by the handle, when operated with a pneumatic hammer or air chisel is coupled...
06/04/1985
4464963Impact-type wire rope cutter with fragment guard
An impact-type wire rope cutter is disclosed in which a slotted fragment guard is movably mounted to the body of the wire rope cutter. The slotted fragment guard slidably receives the cutting chisel therethrough, and it is formed so that it can be moved b...
08/14/1984
4458416Vibration damped portable impact tool
A vibration damped portable impact tool comprising a pneumatically powered reciprocating mechanism to which a chisel is connected. In the disclosed tool the chisel is rigidly connected to the piston of the reciprocating mechanism so as to move conjointly ...
07/10/1984
4384621Device for beveling a workpiece edge
A device for cutting an edge of a workpiece comprising, a drive head having a carrier, a support bracket connected to the drive head for fixing the drive head with respect to the working piece edge, a tool holder reciprocately movable in and by the drive ...
05/24/1983
4349961Removable chisel blade
Having a beveled prying edge and a notch for frictional interfitting with a chisel shaft, the removable chisel blade of this invention provides a significant improvement to the process of removing mortar leakage, grout, or spalling from the surfaces of co...
09/21/1982
4349058Cutting tool and a method of using same
A cutting tool (20) is disclosed which includes an integrally secured arcuate cutting blade portion (32). The arcuate blade portion is defined from a loci of a perfect circle and includes an axially elongated arcuate blade portion (38) and an axially rece...
09/14/1982
4345631Wood turning tool
A chisel for turning a workpiece spindle has a semi-circular template notch in one end of an elongated blade in combination with a cutting edge and guiding tongue. A beveled portion of the narrow blade forms the cutting edge at one terminus of the notch, ...
08/24/1982
4188722Cutting tool for removing a nut securely fastened to a bolt
A cutting tool is provided to efficiently remove a nut from a bolt. An enlongated rod is bifurcated at its lower end to form a pair of arms having cutting edges. A guide collar disposed between the arms is shaped to receive the free end of the bolt and pr...
02/19/1980
4144868Chisel for an impact apparatus
Chisel for an impact apparatus comprising a stem with connecting means, in line with said stem a blade-shaped, longitudinal chisel part, the free end of which is provided with a plurality of teeth which are thicker than the blade-shaped part. Extending fr...
03/20/1979
4128351Sternotomy surgical needle
An improved surgical needle of the type having a simple main cutting edge extending across the needle and formed by the intersection of two planar surfaces for use in cutting through hard body tissue material. The forward end of the needle includes a rela...
12/05/1978
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