IP Library › Granted Patent US 6,653,912
Granted Patent Utility
US 6,653,912 · Confirmation No. 4976

RF AND MICROWAVE DUPLEXERS THAT OPERATE IN ACCORDANCE WITH A CHANNEL FREQUENCY ALLOCATION METHOD

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2015-01-26 IMIS Miscellaneous Internal Document 1 View
2013-05-06 SES.LOSS Notification of loss of entitlement to small entity status 1 View
2013-05-06 N417 Electronic Filing System Acknowledgment Receipt 2 View
2013-03-21 SES.LOSS Notification of loss of entitlement to small entity status 1 View
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2012-05-01 LET. Miscellaneous Incoming Letter 1 View
2012-05-01 N417 Electronic Filing System Acknowledgment Receipt 2 View
2008-04-02 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2003-08-18 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-08-18 LET. Miscellaneous Incoming Letter 1 View
2002-10-10 TRNA Transmittal of New Application 3 View
2002-10-10 A.PE Preliminary Amendment 11 View
2002-10-10 SPEC Specification 14 View
2002-10-10 CLM Claims 2 View
2002-10-10 ABST Abstract 1 View
2002-10-10 DRW Drawings-only black and white line drawings 3 View
2002-10-10 OATH Oath or Declaration filed 10 View
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Quick Facts
Patent No.
US 6,653,912
App. No.
10/268,198
Filed
2002-10-10
Granted
2003-11-25
Pub. No.
US20030048153A1
Art Unit
2817
PTA
-21 days