IP Library › Granted Patent US 6,641,915
Granted Patent Utility PCT National Stage
US 6,641,915 · Confirmation No. 5623

ACRYLONITRILE-BASED FIBER BUNDLE FOR CARBON FIBER PRECURSOR AND METHOD FOR PREPARATION THEREOF

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2003-08-01 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-11-12 LET. Miscellaneous Incoming Letter 43 View
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Quick Facts
Patent No.
US 6,641,915
App. No.
10/275,892
Filed
2002-11-12
Granted
2003-11-04
Art Unit
1774
PTA
0 days