IP Library Patent Application 09839547
Patent Application Utility
App. No. 09/839,547 · Confirmation No. 1301

POROUS MICROFLUIDIC VALVES

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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Code Description Pages PDF
2009-01-06 C.AD Change of Address 1 View
2009-01-06 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2009-01-06 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-04-20 TRNA Transmittal of New Application 2 View
2001-04-20 SPEC Specification 10 View
2001-04-20 CLM Claims 4 View
2001-04-20 ABST Abstract 1 View
2001-04-20 DRW Drawings-only black and white line drawings 5 View
2001-04-20 OATH Oath or Declaration filed 2 View
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Quick Facts
App. No.
09/839,547
Filed
2001-04-20
Granted
2002-07-16
Art Unit
3753
PTA
-62 days