IP Library Patent Application 10090539
Patent Application Utility
App. No. 10/090,539 · Confirmation No. 6541

DIRECT BURIAL OUTDOOR MEMBRANE PRESSURIZATION SYSTEM

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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Code Description Pages PDF
2002-03-04 TRNA Transmittal of New Application 3 View
2002-03-04 SPEC Specification 19 View
2002-03-04 CLM Claims 6 View
2002-03-04 ABST Abstract 1 View
2002-03-04 DRW Drawings-only black and white line drawings 8 View
2002-03-04 OATH Oath or Declaration filed 4 View
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Quick Facts
App. No.
10/090,539
Filed
2002-03-04
Granted
2003-07-15
Art Unit
2831
PTA
-31 days