IP Library Patent Application 09818177
Patent Application Utility
App. No. 09/818,177 · Confirmation No. 2375

A METHOD OF REDUCING RESIDUE DEPOSITION ONTO ASH CHAMBER BASE SURFACES

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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2009-04-17 PA.. Power of Attorney 2 View
2009-04-17 N417 Electronic Filing System Acknowledgment Receipt 2 View
2008-03-13 PA.. Power of Attorney 2 View
2008-03-13 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-03-26 TRNA Transmittal of New Application 4 View
2001-03-26 SPEC Specification 7 View
2001-03-26 CLM Claims 3 View
2001-03-26 ABST Abstract 1 View
2001-03-26 DRW Drawings-only black and white line drawings 1 View
2001-03-26 OATH Oath or Declaration filed 4 View
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Quick Facts
App. No.
09/818,177
Filed
2001-03-26
Granted
2003-05-20
Pub. No.
US20020137354A1
Art Unit
1746
PTA
-51 days