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App. No. 09/781,456 · Confirmation No. 9619

INTERNAL HEATING ELEMENT FOR PIPES AND TUBES

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2008-08-13 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2008-02-01 C.AD Change of Address 1 View
2008-02-01 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-05-21 DRW Drawings-only black and white line drawings 5 View
2001-02-12 TRNA Transmittal of New Application 2 View
2001-02-12 ADS Application Data Sheet 2 View
2001-02-12 SPEC Specification 25 View
2001-02-12 CLM Claims 8 View
2001-02-12 ABST Abstract 1 View
2001-02-12 DRW Drawings-only black and white line drawings 3 View
2001-02-12 OATH Oath or Declaration filed 4 View
2001-02-12 DRW Drawings-only black and white line drawings 9 View
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Quick Facts
App. No.
09/781,456
Filed
2001-02-12
Granted
2003-02-04
Pub. No.
US20020090210A1
Art Unit
3761
PTA
-22 days