IP Library › Granted Patent US 6,670,420
Granted Patent Utility
US 6,670,420 · Confirmation No. 1291

COMPATIBLE BLEND OF POLYCARBONATE WITH VINYL (CO)POLYMER

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 Code Description Pages PDF
2011-02-10 LET. Miscellaneous Incoming Letter 1 View
2011-02-10 N417 Electronic Filing System Acknowledgment Receipt 2 View
2006-11-21 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2006-06-07 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2003-10-03 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-01-18 TRNA Transmittal of New Application 2 View
2002-01-18 SPEC Specification 12 View
2002-01-18 CLM Claims 2 View
2002-01-18 ABST Abstract 1 View
2002-01-18 DRW Drawings-only black and white line drawings 2 View
2002-01-18 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
Patent No.
US 6,670,420
App. No.
10/053,261
Filed
2002-01-18
Granted
2003-12-30
Pub. No.
US20020183447A1
Art Unit
1712
PTA
-69 days