IP Library Granted Patent US 6,487,324
Granted Patent Utility Small
US 6,487,324 · Confirmation No. 3277

STEPPED ACOUSTIC IMPEDANCE-MATCHING TRANSFORMER FOR VERY NARROW CHANNEL ACOUSTIC TRAVELING WAVE LENS WAVEGUIDE

⬇ PDF
Code Description Pages PDF
2016-06-10 OATH Oath or Declaration filed 8 View
2014-09-15 IMIS Miscellaneous Internal Document 1 View
2001-08-13 TRNA Transmittal of New Application 3 View
2001-08-13 DRW Drawings-only black and white line drawings 3 View
2001-06-29 TRNA Transmittal of New Application 2 View
2001-06-29 A.PE Preliminary Amendment 12 View
2001-06-29 SPEC Specification 13 View
2001-06-29 CLM Claims 8 View
2001-06-29 ABST Abstract 1 View
2001-06-29 DRW Drawings-only black and white line drawings 4 View
2001-06-29 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 6,487,324
App. No.
09/896,167
Filed
2001-06-29
Granted
2002-11-26
Pub. No.
US20020031291A1
Art Unit
2874
PTA
-8 days