IP Library › Granted Patent US 6,520,758
Granted Patent Utility
US 6,520,758 · Confirmation No. 9436

SCREW COMPRESSOR ASSEMBLY AND METHOD INCLUDING A ROTOR HAVING A THRUST PISTON

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2020-11-11 C.AD.PAIR Change of Address via Patent Application Information Retrieval (PAIR) 1 View
2020-11-11 C.AD.PAIR Change of Address via Patent Application Information Retrieval (PAIR) 1 View
2015-10-26 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2015-10-26 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2015-10-21 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2015-10-21 PA.. Power of Attorney 1 View
2015-10-21 N417 Electronic Filing System Acknowledgment Receipt 2 View
2005-12-30 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2005-03-30 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2001-10-24 TRNA Transmittal of New Application 2 View
2001-10-24 SPEC Specification 6 View
2001-10-24 CLM Claims 3 View
2001-10-24 ABST Abstract 1 View
2001-10-24 DRW Drawings-only black and white line drawings 2 View
2001-10-24 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,520,758
App. No.
10/040,081
Filed
2001-10-24
Granted
2003-02-18
Art Unit
3748
PTA
-58 days