Patent application 14130963 (US), filed 2014-03-18
Publication number: US20140297177A1
Title: NAVIGATION DEVICE HAVING DEAD RECKONING NAVIGATION FUNCTIONALITY AND METHOD THEREOF
CPC codes: G01C  21/06
G01C  21/12
G01C  21/166
Office action: rejection, dated 2015-10-16
Rejection reasons: subject_matter_101
Final disposition: granted (2015-10-16)