IP Library Patent Application 10409230
Patent Application Utility
App. No. 10/409,230 · Confirmation No. 3880

SEPARATION OF C2F6 FROM CF4 BY ADSORPTION ON ACTIVATED CARBON

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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Code Description Pages PDF
2003-10-30 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-04-08 TRNA Transmittal of New Application 3 View
2003-04-08 SPEC Specification 7 View
2003-04-08 CLM Claims 2 View
2003-04-08 ABST Abstract 1 View
2003-04-08 DRW Drawings-only black and white line drawings 1 View
2003-04-08 OATH Oath or Declaration filed 4 View
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Quick Facts
App. No.
10/409,230
Filed
2003-04-08
Granted
2003-12-30
Art Unit
1724
PTA
0 days