IP Library › Granted Patent US 6,664,871
Granted Patent Utility
US 6,664,871 · Confirmation No. 1577

CASCADED SURFACE ACOUSTIC WAVE FILTER SYSTEM FOR CANCELLING TIME SPURIOUS RESPONSES

Inventor: David S. Yip
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2005-05-05 COCOUT Certificate of Correction - Post Issue Communication 1 View
2003-10-08 IFEE Issue Fee Payment (PTO-85B) 2 View
2003-10-08 LET. Miscellaneous Incoming Letter 2 View
2003-10-08 REM Applicant Arguments/Remarks Made in an Amendment 1 View
2003-10-08 C.AD Change of Address 1 View
2002-05-16 TRNA Transmittal of New Application 3 View
2002-05-16 SPEC Specification 32 View
2002-05-16 CLM Claims 10 View
2002-05-16 ABST Abstract 1 View
2002-05-16 DRW Drawings-only black and white line drawings 10 View
2002-05-16 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,664,871
App. No.
10/150,264
Filed
2002-05-16
Granted
2003-12-16
Pub. No.
US20030214371A1
Art Unit
2819
PTA
-70 days