IP Library Granted Patent US 6,676,842
Granted Patent Utility Small
US 6,676,842 · Confirmation No. 7513

METHOD FOR PREVENTING THE CLOGGING OF A DRAINAGE SYSTEM

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2005-11-16 WFEE Fee Worksheet (SB06) 1 View
2005-04-25 WFEE Fee Worksheet (SB06) 1 View
2005-03-29 WFEE Fee Worksheet (SB06) 1 View
2003-11-17 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-01-28 TRNA Transmittal of New Application 20 View
2003-01-28 SPEC Specification 11 View
2003-01-28 CLM Claims 3 View
2003-01-28 ABST Abstract 1 View
2003-01-28 DRW Drawings-only black and white line drawings 3 View
2003-01-28 OATH Oath or Declaration filed 10 View
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Quick Facts
Patent No.
US 6,676,842
App. No.
10/352,524
Filed
2003-01-28
Granted
2004-01-13
Pub. No.
US20030111428A1
Art Unit
1724
PTA
0 days