IP Library › Patent Application 09973360
Patent Application Utility Small
App. No. 09/973,360 · Confirmation No. 5271

CLASS D SWITCHING AUDIO AMPLIFIER

Inventor: Joel Butler
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2001-10-09 TRNA Transmittal of New Application 5 View
2001-10-09 SPEC Specification 17 View
2001-10-09 CLM Claims 8 View
2001-10-09 ABST Abstract 1 View
2001-10-09 DRW Drawings-only black and white line drawings 13 View
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Quick Facts
App. No.
09/973,360
Filed
2001-10-09
Granted
2003-05-13
Pub. No.
US20030067348A1
Art Unit
2843
PTA
0 days