IP Library › Patent Application 09987548
Patent Application Utility
App. No. 09/987,548 · Confirmation No. 7540

FE-BASED SINTERED VALVE SEAT HAVING HIGH STRENGTH AND METHOD FOR PRODUCING THE SAME

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2003-08-01 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-08-01 LET. Miscellaneous Incoming Letter 2 View
2003-08-01 DRW Drawings-only black and white line drawings 1 View
2001-11-15 TRNA Transmittal of New Application 2 View
2001-11-15 ADS Application Data Sheet 2 View
2001-11-15 A.PE Preliminary Amendment 7 View
2001-11-15 SPEC Specification 28 View
2001-11-15 CLM Claims 3 View
2001-11-15 ABST Abstract 1 View
2001-11-15 DRW Drawings-only black and white line drawings 2 View
2001-11-15 OATH Oath or Declaration filed 3 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.
09/987,548
Filed
2001-11-15
Granted
2003-11-04
Pub. No.
US20020064475A1
Art Unit
1742
PTA
-11 days