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Norscan Instruments Ltd.

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Records under this name other than patents Norscan Instruments Ltd. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

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PatentTitleStatus Expires Confidence
US 9,207,168Monitoring for disturbance of optical fiber
Formerly held
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,736,826Monitoring for disturbance of optical fiber
Formerly held
In force
 · From the USPTO record
In forceFrom the USPTO record
US 6,459,271Open cable locating for sheathed cables
Term ended
Term ended Nov 17, 2020 · From the USPTO record
Term endedTerm ended Nov 17, 2020From the USPTO record
US 6,437,572Interactive method and apparatus for locating and identifying utilities
Term ended
Term ended Nov 13, 2020 · From the USPTO record
Term endedTerm ended Nov 13, 2020From the USPTO record
US 7,009,375Locating system for a cable system having a backbone and branch cables defining multiple terminations
Term ended
Term ended Oct 5, 2019 · From the USPTO record
Term endedTerm ended Oct 5, 2019From the USPTO record
US 6,181,140Method of estimating the location of a cable break including a means to measure resistive fault levels for cable sections
Term ended
Term ended Jun 8, 2018 · From the USPTO record
Term endedTerm ended Jun 8, 2018From the USPTO record
US 6,194,889Enhancement of tone transmission over cable sheaths for cable location
Term ended
Term ended Jun 8, 2018 · From the USPTO record
Term endedTerm ended Jun 8, 2018From the USPTO record
US 6,750,401Trace wire for transmission of a tone for locating underground utilities and cables
Lapsed on the fee record
Ended Jun 15, 2016 · From the USPTO record
Lapsed on the fee recordEnded Jun 15, 2016From the USPTO record
US 4,480,251Apparatus to monitor electrical cables, including splice joints and the like, for the ingress of moisture
Term ended
Term ended no later than Oct 30, 2004 · Low confidence
Term endedTerm ended no later than Oct 30, 2004Low confidence
US 5,262,639Fiber optic cable monitoring method and apparatus including moisture detection and bending loss detection
Term ended
Term ended no later than Nov 16, 2013 · Low confidence
Term endedTerm ended no later than Nov 16, 2013Low confidence
10 of 15 patents shown.
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Pro members: see all 15 patents
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