IP Library Granted Patent US 6,662,939
Granted Patent Utility PCT National Stage
US 6,662,939 · Confirmation No. 3313

FRAMEWORK FOR BELT CONVEYOR

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2011-06-09 PETDEC Petition Decision 1 View
2011-05-10 LET. Miscellaneous Incoming Letter 2 View
2011-05-10 N417 Electronic Filing System Acknowledgment Receipt 2 View
2011-05-10 PET.OP Petition for review by the Office of Petitions 2 View
2011-05-09 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-05-09 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-05-03 PA.. Power of Attorney 2 View
2011-05-03 N417 Electronic Filing System Acknowledgment Receipt 2 View
2003-09-15 IFEE Issue Fee Payment (PTO-85B) 2 View
2001-09-10 LET. Miscellaneous Incoming Letter 37 View
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Quick Facts
Patent No.
US 6,662,939
App. No.
09/890,468
Filed
2001-09-10
Granted
2003-12-16
Art Unit
3651
PTA
0 days