IP Library › Granted Patent US 6,613,129
Granted Patent Utility
US 6,613,129 · Confirmation No. 5742

CYCLONE AND DUST FILTER VACUUM CLEANER

Inventor: Ni Zu Gen
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2015-09-22 PETDEC Petition Decision 1 View
2015-06-03 PET.OP Petition for review by the Office of Petitions 3 View
2015-06-03 LET. Miscellaneous Incoming Letter 1 View
2015-06-03 TRAN.LET Transmittal Letter 1 View
2015-05-18 PET.OP Petition for review by the Office of Petitions 1 View
2015-05-18 TRAN.LET Transmittal Letter 1 View
2007-07-11 LET. Miscellaneous Incoming Letter 1 View
2007-07-11 C.AD Change of Address 1 View
2007-07-11 N417 Electronic Filing System Acknowledgment Receipt 2 View
2003-06-30 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-06-30 LET. Miscellaneous Incoming Letter 4 View
2003-06-30 DRW Drawings-only black and white line drawings 4 View
2001-06-22 TRNA Transmittal of New Application 1 View
2001-06-22 SPEC Specification 12 View
2001-06-22 CLM Claims 8 View
2001-06-22 ABST Abstract 1 View
2001-06-22 DRW Drawings-only black and white line drawings 4 View
2001-06-22 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,613,129
App. No.
09/887,525
Filed
2001-06-22
Granted
2003-09-02
Pub. No.
US20020194993A1
Art Unit
1724
PTA
-215 days