COMPUTERSHARE TRUST COMPANY OF CANADA

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Patent Activity in the Last 10 Years

# of Matters
20152016
0213

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
E21B EARTH OR ROCK DRILLING 195

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0232,810 Object-Based System and Language for Dynamic Data or Network Interaction Including Learning ManagementAbandonedApr 13, 16Aug 11, 16[G09B]
2016/0201,417 FLUID DISPLACEMENT STIMULATION OF DEVIATED WELLBORES USING A TEMPORARY CONDUITAbandonedJan 09, 15Jul 14, 16[E21B]
2016/0069,160 TREATMENT OF MICROBIAL-INFLUENCED CORROSIONAbandonedSep 09, 15Mar 10, 16[B08B, C23F, E21B]
7333252 Method of writing a composite 1-step hologramExpiredJan 27, 03Feb 19, 08[G02B]
7199814 Direct write holographic printerExpiredOct 08, 01Apr 03, 07[B41J]
6930811 Holographic printerExpiredDec 08, 00Aug 16, 05[G03H]

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