IP Library › Patent Application 09758666
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App. No. 09/758,666 · Confirmation No. 9537

INHIBITION OF REFLECTIVE ASH BUILD-UP IN COAL-FIRED FURNACES

Inventor: Anupam Sanyal
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
2010-06-22 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-06-22 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-06-14 PA.. Power of Attorney 2 View
2010-06-14 N417 Electronic Filing System Acknowledgment Receipt 2 View
2010-06-14 TRAN.LET Transmittal Letter 1 View
2003-08-08 LET. Miscellaneous Incoming Letter 2 View
2003-08-08 C.AD Change of Address 1 View
2003-06-30 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-01-11 TRNA Transmittal of New Application 4 View
2001-01-11 SPEC Specification 9 View
2001-01-11 CLM Claims 3 View
2001-01-11 ABST Abstract 1 View
2001-01-11 OATH Oath or Declaration filed 3 View
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Quick Facts
App. No.
09/758,666
Filed
2001-01-11
Granted
2003-09-02
Pub. No.
US20020088170A1
Art Unit
1714
PTA
0 days