IP Library › Patent Application 09809645
Patent Application Utility
App. No. 09/809,645 · Confirmation No. 5018

2-PHENYLPYRAN-4-ONE DERIVATIVES

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2001-06-06 A.PE Preliminary Amendment 12 View
2001-03-16 TRNA Transmittal of New Application 2 View
2001-03-16 SPEC Specification 35 View
2001-03-16 CLM Claims 7 View
2001-03-16 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.
09/809,645
Filed
2001-03-16
Granted
2003-02-11
Pub. No.
US20020045644A1
Art Unit
1625
PTA
-92 days