IP Library Granted Patent US 6,485,259
Granted Patent Utility
US 6,485,259 · Confirmation No. 4374

VANELESS IMPELLER HOUSING FOR A VACUUM CLEANER

Inventor: Robert C. Berfield
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Code Description Pages PDF
2013-07-25 SOL.NTC.SUIT Report on the filing or determination of an action regarding a patent 1 View
2001-07-24 TRNA Transmittal of New Application 4 View
2001-07-24 SPEC Specification 9 View
2001-07-24 CLM Claims 5 View
2001-07-24 ABST Abstract 1 View
2001-07-24 DRW Drawings-only black and white line drawings 5 View
2001-07-24 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,485,259
App. No.
09/911,679
Filed
2001-07-24
Granted
2002-11-26
Pub. No.
US20010041135A1
Art Unit
3745
PTA
-91 days