IP Library › Granted Patent US 6,646,523
Granted Patent Utility
US 6,646,523 · Confirmation No. 7717

DISTRIBUTED CONSTANT TYPE NOISE FILTER

Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2003-09-22 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-09-22 LET. Miscellaneous Incoming Letter 1 View
2003-09-22 DRW Drawings-only black and white line drawings 10 View
2002-10-31 OATH Oath or Declaration filed 10 View
2001-08-28 TRNA Transmittal of New Application 1 View
2001-08-28 SPEC Specification 22 View
2001-08-28 CLM Claims 3 View
2001-08-28 ABST Abstract 1 View
2001-08-28 DRW Drawings-only black and white line drawings 10 View
2001-08-28 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
Patent No.
US 6,646,523
App. No.
09/942,280
Filed
2001-08-28
Granted
2003-11-11
Pub. No.
US20020024407A1
Art Unit
2819
PTA
-31 days