IP Library › Patent Application 09853477
Patent Application Utility Small
App. No. 09/853,477 · Confirmation No. 2000

DENTAL ACID ETCHANT COMPOSITION AND METHOD OF USE

Inventors: Weitao Jia, Shuhua Jin
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
2010-05-21 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-05-21 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-05-11 PA.. Power of Attorney 2 View
2010-05-11 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-05-11 TRNA Transmittal of New Application 3 View
2001-05-11 SPEC Specification 6 View
2001-05-11 CLM Claims 2 View
2001-05-11 ABST Abstract 1 View
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Quick Facts
App. No.
09/853,477
Filed
2001-05-11
Granted
2003-03-25
Pub. No.
US20020018755A1
Art Unit
1614
PTA
-97 days