Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Deodorizing
Reexamination Certificate
2000-04-24
2001-07-24
McKane, Elizabeth (Department: 1744)
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Deodorizing
C422S123000, C422S124000, C239S036000, CD23S366000
Reexamination Certificate
active
06264887
ABSTRACT:
BACKGROUND OF THE INVENTION
This invention pertains to air fresheners adapted to remove or to cover unpleasant odors in some living space. It is adapted for use in automotive vehicles or in dwellings and includes a novel clip device adapted to be held in the discharge of a heating or a cooling system.
DESCRIPTION OF PRIOR ART
In many types of living space, but particularly in the passenger compartment of cars and trucks, there are often unpleasant odors. Such odors as that of stale tobacco smoke or odors of some material being carried in the passenger compartment can be offensive to many people. Often that offensive odor is opposed by use of hanging devices having other perfumes or deodorant material absorbed into the device to be hung in the car. These devices are most often hung from the rear-view mirror or the sun shades in the vehicle.
This invention provides a simple and much more efficient way of distributing the sort of material that is absorbed into the former hanging devices. It also avoids any dangling object which might be distracting to the driver of an automobile. Further, it is inserted to be non-intrusive in outer space.
The need for an inexpensive and convenient to use air freshener to take advantage of forced air in an air grill has long been recognized. It has been proposed to provide an automobile air vent with wide spaced louvers for receipt thereon of a releasable fastener so that a container containing a deodorant may be mounted therefrom. A device of this type is shown in U.S. Pat. No. 4,813,344 to Greif. Devices of this type suffer the shortcoming that they are relatively cumbersome, expensive to manufacture and require a separate clip type fastener or the like for mounting purposes.
Many different deodorant containers have been proposed with separate mounting clips to facilitate mounting of the containers to a grill, louver or the like for reduced flow through passages or orifices in the container for enhancing release of the deodorant material. Examples of these devices are shown in prior U.S. Pat. No. 4,480,773 to Wade and U.S. Pat. No. 5,547,636 to Vick et al. and assigned to New Ideas International, Inc. The Wade device shows a container defining a compartment while the Vick device shows a sheet segment of polyurethane foam having a solid residue for emitting fragrance and secured to a filter by means of an arrow shaped mounting device.
It has also been proposed to provide an air freshener constructed with a plurality of separable pods or fingers having a plurality of storing cells held between breakable walls and connectable by means of tethering hooks to a vent, louver or the like to be suspended freely in the air flow passing through openings between such louvers. A device of this type is shown in U.S. Pat. No. 5,273,690 to McDowell. It has also been proposed that such a device could be mounted in an air filter behind a screen or the like. Devices of this type, while acceptable for their intended purposes, suffer the shortcoming that they are not conveniently and easily mounted in relatively fixed relationship within the air passage formed between the louvers.
SUMMARY OF THE INVENTION
The present invention is characterized by a method of making and using a fragrance impregnated air freshener formed from a stock of impregnated material, configured to be received bodily between transversely projecting louvers for flow thereover of the air passage and configured to be mounted directly to one or more of the louvers to be held in the desired position.
The method of making the device involves selecting a stock of impregnated material and forming it in such a configuration as to be received between the louvers and to form a mouth connectable to one or more of the louvers. The invention first involves a method of using the device by placing it in the space between respective louvers and positioning it for flow therepast either in a parallel or diagonal direction.
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Fulwilder Patton Lee & Utecht, LLP
McKane Elizabeth
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