IP Library › Granted Patent US 6,467,274
Granted Patent Utility Small
US 6,467,274 · Confirmation No. 1390

APPARATUS AND METHODS FOR COOLING AND LIQUEFYING A FLUID USING MAGNETIC REFRIGERATION

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 Code Description Pages PDF
2013-10-30 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2013-10-30 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2013-10-22 PA.. Power of Attorney 2 View
2013-10-22 N417 Electronic Filing System Acknowledgment Receipt 2 View
2013-10-22 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2001-05-07 TRNA Transmittal of New Application 2 View
2001-05-07 SPEC Specification 16 View
2001-05-07 CLM Claims 4 View
2001-05-07 ABST Abstract 1 View
2001-05-07 DRW Drawings-only black and white line drawings 6 View
2001-05-07 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,467,274
App. No.
09/850,725
Filed
2001-05-07
Granted
2002-10-22
Pub. No.
US20020040583A1
Art Unit
3744
PTA
-186 days