Coating implements with material supply – Solid material for rubbing contact or support therefor – Including holder
Reexamination Certificate
1999-12-15
2001-08-21
Walczak, David J. (Department: 3751)
Coating implements with material supply
Solid material for rubbing contact or support therefor
Including holder
C401S048000, C401S131000, C401S089000
Reexamination Certificate
active
06276854
ABSTRACT:
FIELD OF THE INVENTION
The field of the invention is accessories for writing utensils.
BACKGROUND OF THE INVENTION
Writing utensils, including wooden pencils, chalk, and crayons are used extensively by professionals, children, teachers, and “on-site” workers, such as construction workers and architects. There is, however, a need to protect writing utensils against damage and breakage, and also a need to extend the life of writing utensils to make them economically more efficient.
U.S. Pat. No 4,522,522 issued to Zeitelhack (June 1985) describes a multi-component pencil holder that is designed to limit the protrusion of the point of a standard wooden pencil. The pencil holder is also specifically designed to receive a replaceable eraser element. However, the Zeitelhack pencil holder cannot accept other writing utensils, such as larger and/or oval wooden construction pencils, crayons or chalk. Also, the Zeitelback holder is specifically designed to be a multi-component pencil holder. Such multi-component designs do not allow for unibody constructions, and thus do not have the added advantage of simplicity.
U.S. Pat. No 5,779,381 issued to Muelver (July 1998) describes a multi-component crayon holder that is designed to receive a crayon, and to further engage the crayon when an attached plunger pushes the crayon out of the opposing end opening. Once again, the Muelver holder is specifically designed to be a multi-component holder, much like the one described by Zeitelhack.
U.S. Pat. No 5,722,782 issued to Rosenthal (March 1998) and U.S. Pat. No 5,944,435 issued to Chai (August 1999) are also similar to the Zeitelhack and Muelver holders described above in that they are multi-component pencil holding devices. The Rosenthal device has a threaded inner surface and a chuck assembly that is designed to aid in dispensing the pencil. The Chai device has a control member mounted to the pencil holding apparatus so that the user may engage and dispense the pencil from one end of the holder.
Therefore, there is still a need to provide a single component apparatus that will protect different kinds of writing utensils, including larger and/or oval construction pencils, crayons, or chalk.
Various objects, features, aspects and advantages of the present invention will become more apparent from the following detailed description of preferred embodiments of the invention, along with the accompanying drawings in which like numerals represent like components.
SUMMARY
The present invention is directed to a holder that protects the body of a writing utensil, as well as allowing the operator to use and store the writing utensil until it becomes too short to be effectively used by the operator. In preferred embodiments, this is accomplished by using a writing utensil holder that is made of a rigid material, such as aluminum, steel or composite material, and that has a unibody construction.
In preferred embodiments, a writing utensil holder designed to hold a writing utensil comprises a receptacle with an upper-end opening, a lower-end opening, a plurality of incisions adjacent the lower-end opening, and a lengthwise opening made lengthwise along the receptacle. The receptacle may also comprise a detent that holds a second writing utensil in place. An optional spring clip may be added for retaining the writing utensil holder in the pocket of a user or user's supply bag.
REFERENCES:
patent: 368517 (1887-08-01), Cornwall
patent: 623805 (1899-04-01), Murphy
patent: 637103 (1899-11-01), Ewald
patent: 1562292 (1925-11-01), Coleman
patent: 1854800 (1932-04-01), Lowenfeld
patent: 2385859 (1945-10-01), Jacobson
patent: 3102742 (1963-09-01), Shurcliff
patent: 4522522 (1985-06-01), Zeitelhack
patent: 4595307 (1986-06-01), Heyden
patent: 5722782 (1998-03-01), Rosenthal
patent: 5779381 (1998-07-01), Muelver
patent: 5944435 (1999-08-01), Chai
Jackson & Walker, LLP
Walczak David J.
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