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ORTHOGONAL ION SAMPLING FOR APCI MASS SPECTROMETRY

10/265,943 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed Oct. 7, 2002
Examiner KIET TUAN NGUYEN
Class 250
Art Group 2881
Patent No. 6,639,216
Case Type Utility - 250/288000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 09/910,222 Patented
Parent 09/204,213 Patented
Parent 09/30,676 Patented
Parent 08/794,248 Patented
Parent 08/555,250 Abandoned
Parent 08/273,250 Patented
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Last Updated: 4 years, 1 month ago
Date # Transaction