IP Library Granted Patent US 6,506,871
Granted Patent Utility
US 6,506,871 · Confirmation No. 8609

EXTRUSION METHOD FOR MAKING POLYCARBONATE

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Code Description Pages PDF
2017-06-12 OATH Oath or Declaration filed 5 View
2014-03-17 OATH Oath or Declaration filed 135 View
2002-06-12 TRNA Transmittal of New Application 1 View
2002-06-12 SPEC Specification 37 View
2002-06-12 CLM Claims 18 View
2002-06-12 ABST Abstract 1 View
2002-06-12 DRW Drawings-only black and white line drawings 1 View
2002-06-12 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,506,871
App. No.
10/167,903
Filed
2002-06-12
Granted
2003-01-14
Art Unit
1711
PTA
-37 days