IP Library › Granted Patent US 6,638,990
Granted Patent Utility
US 6,638,990 · Confirmation No. 3170

FLAME-LAMINABLE POLYURETHANE FOAMS

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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
2003-08-07 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-01-25 TRNA Transmittal of New Application 2 View
2002-01-25 A.PE Preliminary Amendment 4 View
2002-01-25 SPEC Specification 18 View
2002-01-25 CLM Claims 3 View
2002-01-25 ABST Abstract 1 View
2002-01-25 OATH Oath or Declaration filed 2 View
2002-01-25 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
Patent No.
US 6,638,990
App. No.
10/056,883
Filed
2002-01-25
Granted
2003-10-28
Pub. No.
US20020098338A1
Art Unit
1711
PTA
0 days