IP Library › Granted Patent US 6,667,178
Granted Patent Utility
US 6,667,178 · Confirmation No. 1642

OPTIMIZATION OF CAUSTIC USAGE

Inventor: Robert W. Emblidge
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2017-01-24 MFEE.C.AD Maintenance Fee Address Change 2 View
2017-01-24 N417 Electronic Filing System Acknowledgment Receipt 2 View
2017-01-24 C.AD Change of Address 2 View
2011-10-19 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-10-19 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-10-11 PA.. Power of Attorney 2 View
2011-10-11 N417 Electronic Filing System Acknowledgment Receipt 2 View
2011-10-11 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2003-09-17 IFEE Issue Fee Payment (PTO-85B) 3 View
2003-09-17 LET. Miscellaneous Incoming Letter 1 View
2003-09-17 DRW Drawings-only black and white line drawings 6 View
2003-09-17 LET. Miscellaneous Incoming Letter 1 View
2001-05-07 TRNA Transmittal of New Application 3 View
2001-05-07 SPEC Specification 15 View
2001-05-07 CLM Claims 8 View
2001-05-07 ABST Abstract 1 View
2001-05-07 DRW Drawings-only black and white line drawings 6 View
2001-05-07 OATH Oath or Declaration filed 3 View
2001-05-07 LET. Miscellaneous Incoming Letter 5 View
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Quick Facts
Patent No.
US 6,667,178
App. No.
09/850,625
Filed
2001-05-07
Granted
2003-12-23
Pub. No.
US20030008403A1
Art Unit
1743
PTA
0 days