IP Library Patent Application 09842635
Patent Application Utility
App. No. 09/842,635 · Confirmation No. 8856

CARBON DIOXIDE SENSOR FOR CONTROLLING EXHAUST GAS RECIRCULATION IN DIESEL ENGINES

Inventor: Michael B. Schell
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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Code Description Pages PDF
2003-06-30 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-04-27 TRNA Transmittal of New Application 2 View
2001-04-27 SPEC Specification 25 View
2001-04-27 CLM Claims 4 View
2001-04-27 ABST Abstract 1 View
2001-04-27 DRW Drawings-only black and white line drawings 5 View
2001-04-27 OATH Oath or Declaration filed 2 View
2001-04-27 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
App. No.
09/842,635
Filed
2001-04-27
Granted
2003-09-09
Pub. No.
US20020157458A1
Art Unit
2855
PTA
-142 days