U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Lithium battery deactivator

Patent 5119009 Issued on June 2, 1992. Estimated Expiration Date: Icon_subject June 2, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Battery equalizing system
Patent #: 3980940
Issued on: 09/14/1976
Inventor: Mabuchi ,   et al.

Abuse resistant active metal anode/fluid cathode depolarized cells
Patent #: 4238554
Issued on: 12/09/1980
Inventor: Barrella

Battery safety terminal
Patent #: 4338382
Issued on: 07/06/1982
Inventor: Fritts

Method for internally discharging an electrochemical cell
Patent #: 4407909
Issued on: 10/04/1983
Inventor: Goebel

Lithium battery protection circuit
Patent #: 4622508
Issued on: 11/11/1986
Inventor: Matteau ,   et al.

Filter capacitor discharge circuit for a DC-DC converter
Patent #: 4648015
Issued on: 03/03/1987
Inventor: Davis ,   et al.

Microprocessor controlled battery reconditioner for portable radio transceivers
Patent #: 4734635
Issued on: 03/29/1988
Inventor: Theobald

Method and apparatus for cell monitoring and control Patent #: 4871956
Issued on: 10/03/1989
Inventor: Barrella

Inventors

Assignee

Application

No. 340636 filed on 04/20/1989

US Classes:

320/127, BATTERY OR CELL DISCHARGING320/132, With state-of-charge detection429/7, WITH NONBATTERY ELECTRICAL COMPONENT ELECTRICALLY CONNECTED WITHIN CELL CASING OTHER THAN TESTING OR INDICATING COMPONENTS429/50, PROCESS OF CELL OPERATION429/105Active material in solution

Examiners

Primary: Hickey, R. J.

Attorney, Agent or Firm

International Classes

H02J 007/00
H01M 006/00
H01M 006/20

Abstract

A Lithium battery includes a switch to operatively activate the discharging circuit so that Lithium may be inactivated for safe disposal of the battery.

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