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App. No. 09/809,445 · Confirmation No. 5222

PROCESS FOR LINING CANALS, DITCHES AND PIPES WITH A NON-SAGGING POLYURETHANE/GEOFABRIC COMPOSITE

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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2006-11-21 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2006-06-07 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2001-03-15 TRNA Transmittal of New Application 2 View
2001-03-15 SPEC Specification 21 View
2001-03-15 CLM Claims 7 View
2001-03-15 ABST Abstract 1 View
2001-03-15 OATH Oath or Declaration filed 2 View
2001-03-15 LET. Miscellaneous Incoming Letter 1 View
2001-03-15 TRNA Transmittal of New Application 2 View
2001-03-15 SPEC Specification 21 View
2001-03-15 CLM Claims 7 View
2001-03-15 ABST Abstract 1 View
2001-03-15 OATH Oath or Declaration filed 2 View
2001-03-15 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
App. No.
09/809,445
Filed
2001-03-15
Granted
2003-08-05
Pub. No.
US20020172561A1
Art Unit
3677
PTA
-68 days