Back to results
US 5,432,973 AGranted
Eraser system for stubborn dry erase marks
AssigneeSanford, L.P.
InventorsMichael J. Wagner, Rodney J. Baudino
Life of this patent
Estimating the term…
Abstract
A combined eraser and marker product which comprise an eraser system especially adapted for erasing stubborn dry erase marks on white boards having a first erasing medium for removing recently applied markings, such as a pile fabric, and a second erasing medium for removing stubborn dry erase marks, such as Velcro, the eraser further having storage capacity for up to three markers.
Claims13
An eraser for stubborn dry erase marks,
- said eraser including
- a framework,
- said framework including a base portion adapted to receive an erasing medium,
- said base portion having first and second opposite surfaces,
- said framework further including a portion of lesser width than the base portion projecting upwardly from the first surface of the base portion and contoured to be grasped in the hand of a user, and
- an erasing medium carried by the second surface of the base portion,
- said erasing medium including a first erasing medium of soft flexible material which is capable of removing and holding marking fluid which has recently been applied to a marking surface and
- a second erasing medium which is harder and stiffer than said first erasing medium,
- said second erasing medium being capable of removing stubborn dry erase marks, said first erasing medium being a pile fabric, and
- said second erasing medium being a material selected from the group consisting of hook and loop material.
7 more elements
An eraser for stubborn dry erase marks, said eraser including
- a framework,
- said framework including a base portion adapted to receive an erasing medium, said base portion having first and second opposite surfaces,
- said framework further including a portion of lesser width than the base portion projecting upwardly from the first surface of the base portion and contoured to be grasped in the hand of a user, and
- an erasing medium carried by the second surface of the base portion,
- said erasing medium including a first erasing medium of soft flexible material which is capable of removing and holding marking fluid which has recently been applied to a marking surface and
- a second erasing medium which is harder and stiffer than said first erasing medium,
- said second erasing medium being capable of removing stubborn dry erase marks, said second erasing medium being located between separate areas of said first erasing medium, said first erasing medium, in an inoperative unstressed condition, extending downwardly from the second surface of the base portion of the framework a slightly greater distance than the second erasing medium
- whereby, if only said first, soft erasing medium is required to remove markings, said second erasing medium need not be fully activated,
- said first erasing medium being a pile fabric and
- said second erasing medium being a material selected from the group consisting of hook and loop material.
7 more elements
An eraser system for stubborn dry erase marks, said eraser system including
- a framework
- said framework including a base portion adapted to receive an erasing medium, said base portion having first and second opposite surfaces,
- an erasing medium carried by the second surface of the base portion, said erasing medium including a first erasing medium of soft flexible material which is capable of removing and holding marking fluid which has recently been applied to a marking surface and
- a second erasing medium which is harder and stiffer than said first erasing medium,
- said second erasing medium being capable of removing stubborn dry erase marks,
- said framework further including a portion projecting upwardly from the first surface of the base portion and contoured to be grasped in the hand of a user,
- said upwardly projecting portion defining, with another portion of the framework, a gripping receptacle adapted to receive and hold at least one marker
- whereby the eraser and marker can be grasped and used as a unitary structure,
- said upwardly projecting portion being generally Y shaped, at least one arm portion of the Y overlying one side of the base portion,
- the underside of the said one arm portion and the first surface of the portion being contoured to make contact with a marker assembled thereto at at least three contact points, at least two of which lie on opposite sides of a diametrical line of the marker.
7 more elements
An eraser for stubborn dry erase marks, said eraser including
- a framework,
- said framework including, firstly, a base having a top and bottom side,
- said framework including, secondly, an upper portion projecting upwardly from the top side of the base and contoured to be grasped in the hand of the user, and
- an erasing medium carried by the bottom side of the base,
- said erasing medium including
- a first erasing medium of soft flexible material which is capable of removing and holding marking fluid which has recently been applied to a marking surface and,
- a second erasing medium which is harder and stiffer than the first erasing medium,
- said first erasing medium being a pile fabric,
- said second erasing medium being a material selected from the group consisting of hook and loop material.
6 more elements
An eraser system for stubborn, dry erase marks, said eraser system including
- a framework,
- said framework including, firstly, an elongated base having a top and bottom side,
- said framework including, secondly, an elongated upper portion projecting upwardly from the top side of the base,
- said upper portion having means for receiving and gripping at least one marker,
- said means for receiving and gripping said at least one marker defining a gripping surface extending along at least a portion of the length of said base whereby it is effective to grip a marker at substantially all locations along the upper portion,
- said upper portion being contoured to be grasped in the hand of a user, and operated by said user, both in the presence and in the absence of a marker gripped in said upper portion, and
- an erasing medium carried by the bottom side of the base, said erasing medium including
- a first erasing medium of soft flexible material which is capable of removing and holding marking fluid which has recently been applied to a marking surface, and
- a second erasing medium which is harder and stiffer than the first erasing medium,
- said second erasing medium being capable of removing stubborn dry erase marks.
7 more elements
Dependencies are inferred from the claim text.