IP Library › Patent Application 09889174
Patent Application Utility PCT National Stage
App. No. 09/889,174 · Confirmation No. 8097

METHOD FOR MONITORING THE FUNCTION OF CATALYSTS IN INTERNAL COMBUSTION ENGINES

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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2003-11-07 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-11-07 LET. Miscellaneous Incoming Letter 2 View
2003-11-07 DRW Drawings-only black and white line drawings 2 View
2001-07-12 ABST Abstract 1 View
2001-07-12 LET. Miscellaneous Incoming Letter 31 View
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Quick Facts
App. No.
09/889,174
Filed
2001-07-12
Granted
2003-12-30
Art Unit
2855
PTA
0 days