IP Library Granted Patent US 6,516,969
Granted Patent Utility PCT National Stage
US 6,516,969 · Confirmation No. 6473

CHEMICAL FEEDING DEVICE

Inventor: Yuichi Tamaoki
⬇ PDF
Code Description Pages PDF
2002-01-15 TRNA Transmittal of New Application 3 View
2002-01-15 A.PE Preliminary Amendment 3 View
2002-01-15 SPEC Specification 13 View
2002-01-15 CLM Claims 4 View
2002-01-15 ABST Abstract 1 View
2002-01-15 DRW Drawings-only black and white line drawings 8 View
2002-01-15 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,516,969
App. No.
09/926,337
Filed
2002-01-15
Effective Filing
2001-10-15
Granted
2003-02-11
Pub. No.
US20020134790A1
Art Unit
3653
PTA
0 days