IP Library › Granted Patent US 6,554,579
Granted Patent Utility
US 6,554,579 · Confirmation No. 3389

LIQUID DISPENSING SYSTEM WITH ENHANCED FILTER

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 Code Description Pages PDF
2019-04-11 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2019-04-11 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2019-04-04 PA.. Power of Attorney 1 View
2019-04-04 MFEE.C.AD Maintenance Fee Address Change 1 View
2019-04-04 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2019-04-04 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2008-10-21 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-10-21 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-10-08 PA.. Power of Attorney 1 View
2008-10-08 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2008-10-08 LET. Miscellaneous Incoming Letter 1 View
2008-10-08 N417 Electronic Filing System Acknowledgment Receipt 2 View
2002-03-28 TRNA Transmittal of New Application 1 View
2002-03-28 SPEC Specification 12 View
2002-03-28 CLM Claims 4 View
2002-03-28 ABST Abstract 1 View
2002-03-28 DRW Drawings-only black and white line drawings 6 View
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Quick Facts
Patent No.
US 6,554,579
App. No.
10/112,661
Filed
2002-03-28
Granted
2003-04-29
Pub. No.
US20020158079A1
Art Unit
3746
PTA
0 days