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

Ground fault interrupt analyzer method and apparatus

Patent 6734680 Issued on May 11, 2004. Estimated Expiration Date: Icon_subject April 18, 2022. 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

Current-leakage tester
Patent #: 6011398
Issued on: 01/04/2000
Inventor: Bald, et al.

Transformer test control device
Patent #: 6445196
Issued on: 09/03/2002
Inventor: White

Audible circuit breaker Patent #: 6657435
Issued on: 12/02/2003
Inventor: Brown

Inventor

Application

No. 10124865 filed on 04/18/2002

US Classes:

324/509, Of ground fault indication324/508, With electric power receptacle for line wire testing361/42Ground fault protection

Examiners

Primary: Le, N.
Assistant: Nguyen, Viet Q.

Attorney, Agent or Firm

International Class

G01R 3114

Abstract

A method and apparatus for testing whether a particular outlet is connected to a particular GFCI, which eliminates the need for having the electrical network turned on.

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