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Patents
6 Months Ended
Jun. 30, 2011
Notes to Financial Statements  
Patents

6. Patents

 

In fiscal 2005, the Company started the patent process for additional WATER$AVR® products. Patents associated with these costs were granted in 2006 and they have been amortized over their legal life of 17 years.

 

Of the patents costs listed below, $81,466(2010 - $79,582) are not subject to amortization as of June 30, 2011, as the patents are still in the process of being approved.

 

   2011
Cost
  Accumulated
Amortization
  2011
Net
 
Patents
  $274,836   $48,986   $225,850 

 

 

   2010
Cost
  Accumulated
Amortization
  2010
Net
 
Patents
  $266,530   $41,350   $225,180 

 

Increase in 2011 cost was due to currency conversion. 2011 cost in Canadian dollars - $265,102 (2010 - $265,102 in Canadian dollars).

 

Amount of depreciation for 2011 - $6,264 (2010 - $5,069)

 

Estimated depreciation expense over the next five years is as follows:

 

2011  $12,688 
2012   12,688 
2013   12,688 
2014   12,688 
2015   12,688