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App. No. 10/167,953 · Confirmation No. 6781

DOUBLE SIDED HEAT EXCHANGER CORE

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2004-03-22 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-06-12 TRNA Transmittal of New Application 2 View
2002-06-12 ADS Application Data Sheet 1 View
2002-06-12 SPEC Specification 7 View
2002-06-12 CLM Claims 3 View
2002-06-12 ABST Abstract 1 View
2002-06-12 DRW Drawings-only black and white line drawings 6 View
2002-06-12 OATH Oath or Declaration filed 3 View
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Quick Facts
App. No.
10/167,953
Filed
2002-06-12
Granted
2004-05-04
Pub. No.
US20040035567A1
Art Unit
3753
PTA
-132 days