FIBERA, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7268699 Highway-rail grade crossing hazard mitigationExpiredMar 07, 05Sep 11, 07[G08G]
7245217 Hazard mitigation for railway track intrusions at train station platformsExpiredMar 07, 05Jul 17, 07[G08G]
2007/0031,084 TRAFIC MONITORING SYSTEMAbandonedJun 20, 06Feb 08, 07[H04B, G02B]
7116846 Athermal fiber Bragg gratingExpiredFeb 11, 05Oct 03, 06[G02F]
2006/0214,068 Fiber optic monitor for railroad switchAbandonedMar 27, 06Sep 28, 06[E01B]
2006/0202,860 FIBER OPTIC TRACK CIRCUITAbandonedMar 10, 06Sep 14, 06[G08C]
2006/0186,276 SYSTEM FOR GRADE CROSSING ACCIDENT MITIGATIONAbandonedFeb 18, 06Aug 24, 06[B61L]
7027136 Structure analysis and defect detection systemExpiredNov 12, 03Apr 11, 06[G01N]
7004038 Fiber optic flow meterExpiredJan 03, 05Feb 28, 06[G01F]
6904200 Multidimensional optical gratingsExpiredNov 09, 01Jun 07, 05[G02B]
6809865 ITU frequency/wavelength referenceExpiredSep 27, 01Oct 26, 04[G01J, G02B]
6807339 Wavelength division multiplexing and de-multiplexing systemExpiredNov 09, 01Oct 19, 04[G02B]
6804060 Interference filter fabricationExpiredSep 28, 01Oct 12, 04[G02B]
2004/0109,166 Wavelength Locker With Confocal CavityAbandonedDec 09, 02Jun 10, 04[G01B]
6748138 Optical grating fabricationExpiredSep 14, 01Jun 08, 04[G02B]
6718092 Frequency detection, tuning and stabilization systemExpiredMay 09, 02Apr 06, 04[G02B]
2003/0152,127 Integrated etalon-beam splitterAbandonedAug 05, 02Aug 14, 03[H01S]
6552856 Multi-channel wavelength locker using gas tuningExpiredSep 27, 01Apr 22, 03[G01B, H01S]

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