Drying and gas or vapor contact with solids – Apparatus – Combined
Reexamination Certificate
2004-01-22
2004-12-07
Lazarus, Ira S. (Department: 3749)
Drying and gas or vapor contact with solids
Apparatus
Combined
C034S202000, C034S062000, C034S066000
Reexamination Certificate
active
06826848
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates generally to nail drying. More specifically this invention relates to an apparatus and a method for completely drying nail polish using both warm and very cold air,
2. Description of the Prior Art
In nail and beauty salons, one of the substantial sources of income is manicures and pedicures, i.e. the cleaning, toning and polishing of the fingernails and toenails. One of the problems inherent in the process is that clients have limited time after the nails are polished. The client normally waits at the salon for about fifteen to twenty minutes hoping to dry her nails at room temperature. However, the nails are not completely dry after that time frame. Invariably, the customer nicks or smudges the nails after leaving the salon. As a result, the damaged nails must be redone and still more time is spent waiting for the nail polish to dry. Many manicurists do not utilize machines to assist in drying fingernails or toenails after a polish is applied. However, nail drying machines are well known in the art. Such devices fail to reduce the drying time for nails to an appreciable extent.
Existing apparatus to dry nails can be broken down into three categories. Category one includes nail polish dryers that utilize heat. Examples of such nail polish dryers are as follows:
PATENTEE
U.S. Pat. No.
GOODMAN
2,184,858
FINGERLIN
2,262,274
NEMETH
2,734,282
SELDITZ
3,287,824
FRIEDMAN ET AL
3,864,847
SIGMAN
4,255,871
Category two uses forced ambient air to dry nails. However, in this group the ambient air is not heated or cooled by external means. The Simmons Patent, U.S. Pat. No. 2,389,822 shows a nail polish dryer where separate finger receiving passages are provided for each finger and the thumb. Air is directed past the tips of the fingers and is vented from the device by outlets. U.S. Pat. No. 4,193,209 is a nail dryer that equips the device with a hand rest to aid in both the application of the polish and that is positioned such that air is driven by a fan and deflected by the vents which speeds the drying of the polish. The Duchoud Patent, U.S. Pat. No. 5,084,984 is a clamshell type of housing where the device is opened by tilting the cover back on its hinges and contact strips are brought together providing power to a fan that drives air through the drying zone. Opening the cover activates the fan which supplies air to dry the nails.
Category three includes patents which use cooled air to dry nails. The Outlaw Patent, U.S. Pat. No. 4,464,906, uses air that is cooled below ambient temperatures before it is directed onto the fingernails. In this patent, the temperature discussed is between forty-five and sixty-five degrees Fahrenheit.
In general, the main problem with conventional nail polish drying machines is that they don't dry or set the nails completely. This is evidenced in the Edelman Patent, U.S. Pat. No. 5,280,679 whereby the inventor claims that she can dry nails to a “substantial” state. Drying to a “substantial state” means that the nails are not completely dried and therefore will smudge or nick. Also, the prior art states that optionally it would be possible to further augment the speed of the drying process by utilizing a chemical drying agent. This further highlights the major weakness of the prior art machines because if such machines worked, there would be no need for additional chemical drying agents.
It is apparent that there is a clear need for a method of drying nails and an apparatus to perform that method which results in a hardened finish
OBJECTS OF THE INVENTION
The objects of this invention are as follows:
To provide for quick drying of nail polish;
To provide a method and apparatus for drying nails that produces a completely hardened nail polish that will not smudge or nick;
To sanitize the apparatus after each use;
To provide a nail dryer that will dry both hands or both feet at one time;
To provide a nail dryer that will dry nails in a brief time period of no more than six minutes;
To provide a nail dryer that is compact and easy to use and completely automatic;
To provided a nail dryer that will completely dry nails to total dryness;
To provide an apparatus for drying nails which is inexpensive and dependable;
To provide for quick and complete drying of nail polish by providing a warm and very cold temperature in the area proximate to the polished nail within a time of less than seven minutes.
These and other objects of the present invention will become readily apparent upon further review of the following specifications and drawings;
SUMMARY OF THE INVENTION
A method is provided for drying nail polish that has been applied to the nails of an extremity. First, warm air is directed on the nails and hen followed by very cold air.
An apparatus is also provided to perform the above method. The apparatus which works with a power supply includes a housing with an opening in it into which an extremity is placed. A means for heating and cooling air including a means for directing the means for heating and cooling air to blow first warm air and then very cold air on the extremities. Preferably, a sanitizing means for sanitizing the enclosure and a means for activating the sanitizing means are also provided.
REFERENCES:
patent: 2184858 (1939-12-01), Goodman
patent: 2262274 (1941-11-01), Fingerlin
patent: 2389822 (1945-11-01), Simmons
patent: 2734282 (1956-02-01), Nemeth
patent: 3287824 (1966-11-01), Selditz
patent: 3864847 (1975-02-01), Friedman et al.
patent: 4193209 (1980-03-01), Lovison et al.
patent: 4255871 (1981-03-01), Sigman
patent: 4464906 (1984-08-01), Outlaw
patent: D286211 (1986-10-01), Zinbarg
patent: D286926 (1986-11-01), Billings
patent: D292625 (1987-11-01), Fung
patent: 4754769 (1988-07-01), Flynn
patent: D299559 (1989-01-01), Wong
patent: D302744 (1989-08-01), Flynn
patent: 5084984 (1992-02-01), Duchoud et al.
patent: 5130551 (1992-07-01), Nafziger et al.
patent: 5249367 (1993-10-01), Nafziger et al.
patent: 5280679 (1994-01-01), Edelman
patent: 5351417 (1994-10-01), Rubin
patent: 5459944 (1995-10-01), Tatsutani et al.
patent: 5515621 (1996-05-01), Bloom
patent: 5568691 (1996-10-01), Rubin
patent: 5873467 (1999-02-01), Willhite et al.
patent: 6047485 (2000-04-01), Madyun
patent: D451247 (2001-11-01), Khalaj
patent: D453858 (2002-02-01), Tsai
patent: D456951 (2002-05-01), Christianson
patent: 6405387 (2002-06-01), Barnes
Arndt Cornelia A.
Delaney Diane E.
Lazarus Ira S.
O'Malley Kathryn S.
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