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Patent No. 6681419

Forehead support apparatus 

A forehead support apparatus for resting a standing users forehead against a wall above a bathroom commode or urinal or beneath a showerhead.

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Class 320/112 - For battery pack


Subclass of Class 320 - Electricity: battery or capacitor charging or discharging
Definition: Subject matter wherein the charger structure is constructed
No. of patents: 497
Last issue date: 05/22/2012


                    13  
NumberTitleIssue Date
4563627Switching system for high voltage battery pack
There is disclosed herein a rechargeable battery pack for use with electronic devices, such as electronic flash units used in photography, and wherein the battery pack has a pair of exposed electrical terminals. At least one of the terminals is constructe...
01/07/1986
4555849Battery powered portable saw
A portable electric circular saw which operates on a rechargeable battery is disclosed. The circular saw comprises a housing for accommodating a motor driving a circular saw blade operatively connected thereto, the rechargeable battery supplying electrici...
12/03/1985
4540929Battery recharger
A rechargeable emergency battery charging device for starter motor storage batteries. The device includes a plurality of rechargeable nickel-cadmium or sealed lead cells. A first circuit is provided which couples the cells in series for charging the stora...
09/10/1985
4536695Discharging protection device for battery-operated portable electric light
A discharging protection device for battery-operated portable electric lights includes a relay circuit having a normally-open contact and a load coil coupled in parallel with the light bulb and the negative terminal of the rechargeable battery set of the ...
08/20/1985
4481458Miners lamp power pack
A lamp rechargeable dry cell power pack and recharging device therefor is disclosed. The recharging device comprises a socket for receiving the power pack, a plurality of electrodes are presented in the socket and arranged to contact corresponding electro...
11/06/1984
4455523Portable battery powered system
In an exemplary embodiment, a battery monitoring system includes sensors for monitoring battery parameters and a memory for storing data based thereon; for example, data may be stored representative of available battery capacity as measured during a deep ...
06/19/1984
4382220Rechargeable battery pack and combination thereof with lantern
A rechargeable battery pack has a rectangular case formed in two box halves secured together at a seam about the top, side and bottom panels thereof, two rechargeable batteries positioned in the case between the bottom and side panels and front and rear p...
05/03/1983
4371827Battery charger with indicator for indicating full charge of secondary cells or battery thereof
A battery charger with an indicator to indicate full charge of secondary sealed cells and like cells which become heated when subjected to overcharge current, or batteries of such cells, the indicator comprising a heat sensitive mechanism which is mounted...
02/01/1983
4321522Vehicle starting method
A method of starting the engine of a vehicle, such as an automobile, over a wide range of ambient temperatures, such as in cold temperatures below 32° F. and warm temperatures above 32° F. The method includes the steps of energizing the starter motor of...
03/23/1982
4300087Portable, rechargeable power supply
A portable power supply includes a rechargeable battery in a casing. Power is supplied from the battery to a socket by means of a D.C./A.C. voltage converter and a step-up transformer. When the socket is connected to an external source of power, the batte...
11/10/1981
4229687Temperature maintained battery system
A chassis contains a battery charger connected to a multi-cell battery. The charger receives direct current from an external direct current power source and has means to automatically selectively charge the battery in accordance with a preselected chargin...
10/21/1980
4209735Solar battery powered electronic calculator
A solar battery panel is installed on an electronic calculator through an arrangement formed on a rear casing of the electronic calculator or on a glass substrate supporting a display unit, a semiconductor chip, and wiring leads. The solar battery panel i...
06/24/1980
4108341Carrying belt for batteries
A carrier belt for electrical batteries is usable as a portable current source. The belt has a buckle, a tongue and at least one compartment on the outside thereof for receiving at least one object; the compartment includes a carrier plate attached to the...
08/22/1978
4032806Battery powered power tools
A battery powered power tool which includes a housing having one portion for journaling the motor and another portion detachably connected thereto, for carrying the battery pack. Suitable plug and socket means are provided in each of the housing portions,...
06/28/1977
4006396Universal battery charging apparatus
Battery charging apparatus for charging batteries having different optimum charging rates, and wherein there is included in the same housing with the battery an electrical element having a characteristic related to a predetermined charging rate of the bat...
02/01/1977
3999110Battery pack and latch
Securing means particularly for slide-in type battery pack to be used in cordless electric power tools. An L-shaped latch is pivoted on the tool, and its short leg cooperates with a release mechanism at the remote end of the battery pack. A release member...
12/21/1976
3963972Portable power package
A portable power package has a supporting box provided with a cavity arranged for receiving an electrical battery such as a conventional storage battery. Pairs of jacks and switches are mounted on the box in series with the battery and in parallel with on...
06/15/1976
                    13  
 
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