IP Library › Patent Application 09873448
Patent Application Utility
App. No. 09/873,448 · Confirmation No. 4409

PROCESS FOR REMOVING CYCLIC ACETALS FROM WASTEWATER STREAMS

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2008-01-23 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2007-12-03 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2003-07-10 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-06-05 TRNA Transmittal of New Application 2 View
2001-06-05 SPEC Specification 6 View
2001-06-05 CLM Claims 3 View
2001-06-05 ABST Abstract 1 View
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
App. No.
09/873,448
Filed
2001-06-05
Granted
2003-09-23
Pub. No.
US20020040877A1
Art Unit
1724
PTA
-90 days