IP Library › Granted Patent US 6,819,773
Granted Patent Utility
US 6,819,773 · Confirmation No. 2259

LOUDSPEAKER WITH A THREE-DIMENSIONAL DIAPHRAGM

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2008-01-22 LET. Miscellaneous Incoming Letter 1 View
2008-01-22 N417 Electronic Filing System Acknowledgment Receipt 2 View
2007-06-06 PA.. Power of Attorney 1 View
2007-06-06 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2007-06-06 N417 Electronic Filing System Acknowledgment Receipt 2 View
2004-09-16 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-08-06 TRNA Transmittal of New Application 1 View
2002-08-06 A.PE Preliminary Amendment 3 View
2002-08-06 SPEC Specification 8 View
2002-08-06 CLM Claims 2 View
2002-08-06 ABST Abstract 1 View
2002-08-06 DRW Drawings-only black and white line drawings 4 View
2002-08-06 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,819,773
App. No.
10/213,403
Filed
2002-08-06
Granted
2004-11-16
Pub. No.
US20030031337A1
Examiner
NI, SUHAN
Art Unit
2643
PTA
0 days