IP Library › Granted Patent US 6,584,470
Granted Patent Utility
US 6,584,470 · Confirmation No. 7850

MULTI-LAYERED SEMIOTIC MECHANISM FOR ANSWERING NATURAL LANGUAGE QUESTIONS USING DOCUMENT RETRIEVAL COMBINED WITH INFORMATION EXTRACTION

Inventor: Richard A. Veale
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2009-09-01 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-09-01 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-08-24 PA.. Power of Attorney 2 View
2009-08-24 C.AD Change of Address 2 View
2009-08-24 N417 Electronic Filing System Acknowledgment Receipt 2 View
2009-08-24 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2008-09-26 LET. Miscellaneous Incoming Letter 1 View
2008-09-26 N417 Electronic Filing System Acknowledgment Receipt 2 View
2008-07-16 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-07-16 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-07-07 PA.. Power of Attorney 1 View
2008-07-07 N417 Electronic Filing System Acknowledgment Receipt 2 View
2008-06-23 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2008-06-23 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-06-01 DRW Drawings-only black and white line drawings 4 View
2001-03-01 TRNA Transmittal of New Application 3 View
2001-03-01 SPEC Specification 46 View
2001-03-01 CLM Claims 7 View
2001-03-01 ABST Abstract 1 View
2001-03-01 DRW Drawings-only black and white line drawings 6 View
2001-03-01 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,584,470
App. No.
09/796,961
Filed
2001-03-01
Granted
2003-06-24
Pub. No.
US20020188586A1
Art Unit
2171
PTA
0 days