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Recently Issued Patents
For more information, contact the United States Patent and Trademark Office at www.uspto.gov.

U.S. Patent No. 5,799,882; Inventor: Richard R. Klimpel
Maintenance Fee Schedule: 1st 03-01-2002; 2nd 03-01-2006, 3rd 03-01-2010

U.S. Patent No. 6,135,372; Inventor Richard R. Klimpel
Maintenance Fee Schedule: 1st 4-24-2004; 2nd 4-24-2008; 3rd 4-24-2012

U.S. Patent No. 6,448,232; Inventor: Joel R.L.Ehrenkranz
Maintenance Fee Schdedule: 1st 3-10-2006; 2nd 3-10-2010; 3rd 3-10-2014

U.S. Patent No. 6,548,157; Inventor: Akbar Ghahary
Maintenance Schedule: 1st 10-15-2006; 2nd 10-15-2010; 3rd 10-15-2014

U.S. Patent No. 6,561,497; Inventor: William A. Newman, issued 5-30-2003
Maintenance Fee Schedule 1st 11-13-2006; 2nd 11-13-2010; 3rd 11-13-2014

U.S. Patent No. 6,670,474; Inventor: R. Garth Pews, issued 12-30-2003
Maintenance Fee Schedule: 1st 6-30-2007; 2nd 6-30-2011; 3rd 6-30-2015

U.S. Patent No. 6,806,078; Inventor: William A Newman, issued 10-19-2004
Maintenance Fee Schedule: 1st 4-19-2008; 2nd: 4-19-2012; 3rd 4-19-2016

US Patent No.7,083,820; Inventor Marvin Schilling et al, issued 8-1-2006
Maintenance Fee Schedule: 1st 2-1-2010; 2nd 2-1-2014; 3rd 2-1-2018

US Patent No. 7,141,684; Inventor R. Garth Pews, issued 11-28-2006
Maintenance Fee Schedule: 1st 5-28-2010, 2nd 5-28-2014 3rd 5-28-2018

US Patent No. 7,153,925 Inventor R. Garth Pews issued 12-26-2006
Maintenance Fee Schedule: 1st 6-26-2010, 2nd 6-26-2014, 3rd 6-26-2018

US Patent No. 7,217,435 Inventor Mary Smith issued 5-15 2007
Maintenance Fee Schedule 1st 11-15-2010, 2nd 11-15-2014, 3rd 11-15-2018

US Patent No. 7,347,972 Inventor Jin Po Lee, issued 3-25, 2008
Maintenance Fee schedule: 1st 9-25-2011, 2nd 9-25-2015, 3rd 9-25-2019

US Patent No 7,442,726, Inventor Akbar Ghahary, issued 10-28-2008,
Maintenance Fee schedule: 1st 4-28-2012, 2nd 4-28-2016, 3rd 4-28-2020

US Patent No. 7,462,728, Inventor R Garth Pews, issued 12-9-2008,
Maintenance Fee schedule: 1st 6-9-2012, 2nd 6-9-2016, 3rd 6-9-2020

US Patent No. 7,727,435, Inventor Dr. Akbar Ghahary, issued 6-1-2010,
Maintenance Fee schedule: 1st 12-1-2013, 2nd 12-1-2017, 3rd 12-1-2021

US Patent No. 7,737,249, Inventor Dr. Eugene Moore, issued 6-15-2010,
Maintenance Fee Schedule: 1st 12-15-2013, 2nd 12-15-2017, 3rd12-15-2021

US Patent No.7,807,717, Inventor William A Neuman, issued 10-5-2010,
Maintenance Fee Schedule: 1st 4-5-2014, 2nd 4-5-2018, 3rd 4-5-2022.

 

In 2009 the small business entity maintenance fee for 3.5 yrs is $490.00, for 7.5 yrs is $1,240.00
and for 11.5 yrs is $2,055.00. For a large entity the amounts are doubled. The life of the patent is
normally 20 years from the filing date

 

 
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© 2004 Bernd W. Sandt. All rights reserved.