IP Library › Granted Patent US 6,514,318
Granted Patent Utility
US 6,514,318 · Confirmation No. 5066

MULTISTAGE SYSTEM FOR SEPARATING GAS BY ADSORPTION

Inventor: Bowie G. Keefer
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2014-06-09 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2014-06-09 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2014-05-30 PA.. Power of Attorney 2 View
2014-05-30 SES.LOSS Notification of loss of entitlement to small entity status 1 View
2014-05-30 N417 Electronic Filing System Acknowledgment Receipt 2 View
2014-05-30 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2001-12-03 TRNA Transmittal of New Application 4 View
2001-12-03 SPEC Specification 23 View
2001-12-03 CLM Claims 4 View
2001-12-03 ABST Abstract 1 View
2001-12-03 DRW Drawings-only black and white line drawings 15 View
2001-12-03 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,514,318
App. No.
09/998,443
Filed
2001-12-03
Granted
2003-02-04
Pub. No.
US20020035924A1
Art Unit
1724
PTA
-91 days