IP Library › Granted Patent US 6,644,118
Granted Patent Utility
US 6,644,118 · Confirmation No. 6296

CYLINDRICAL ACOUSTIC LEVITATOR/CONCENTRATOR HAVING NON-CIRCULAR CROSS-SECTION

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2016-04-12 C.AD.PAIR Change of Address via Patent Application Information Retrieval (PAIR) 1 View
2015-11-13 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2015-11-13 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2015-10-30 PA.. Power of Attorney 1 View
2015-10-30 N417 Electronic Filing System Acknowledgment Receipt 2 View
2015-10-30 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2009-01-28 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-01-28 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-12-19 PA.. Power of Attorney 1 View
2008-12-19 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2008-12-19 N417 Electronic Filing System Acknowledgment Receipt 2 View
2003-08-14 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-08-14 LET. Miscellaneous Incoming Letter 1 View
2002-09-13 TRNA Transmittal of New Application 2 View
2002-09-13 SPEC Specification 16 View
2002-09-13 CLM Claims 2 View
2002-09-13 ABST Abstract 1 View
2002-09-13 DRW Drawings-only black and white line drawings 12 View
2002-09-13 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,644,118
App. No.
10/243,429
Filed
2002-09-13
Granted
2003-11-11
Pub. No.
US20030015035A1
Art Unit
2856
PTA
0 days