IP Library Granted Patent US 6,443,251
Granted Patent Utility
US 6,443,251 · Confirmation No. 9017

METHODS FOR STAIR CLIMBING IN A CLUSTER-WHEEL VEHICLE

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Code Description Pages PDF
2007-11-07 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2007-11-05 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2007-10-11 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2007-10-03 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2006-10-13 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2002-01-18 TRNA Transmittal of New Application 3 View
2002-01-18 ADS Application Data Sheet 1 View
2002-01-18 SPEC Specification 17 View
2002-01-18 CLM Claims 1 View
2002-01-18 ABST Abstract 1 View
2002-01-18 DRW Drawings-only black and white line drawings 7 View
2002-01-18 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,443,251
App. No.
10/051,333
Filed
2002-01-18
Granted
2002-09-03
Pub. No.
US20020092686A1
Art Unit
3611
PTA
0 days