IP Library › Patent Application 10118241
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App. No. 10/118,241 · Confirmation No. 6054

HELICAL TYPE HEAT EXCHANGER HAVING INTERMEDIATE HEATING MEDIUM

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
2002-04-09 TRNA Transmittal of New Application 2 View
2002-04-09 A.PE Preliminary Amendment 6 View
2002-04-09 SPEC Specification 16 View
2002-04-09 CLM Claims 2 View
2002-04-09 ABST Abstract 1 View
2002-04-09 DRW Drawings-only black and white line drawings 2 View
2002-04-09 OATH Oath or Declaration filed 3 View
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Quick Facts
App. No.
10/118,241
Filed
2002-04-09
Granted
2003-05-27
Pub. No.
US20030094268A1
Examiner
DUONG, THO V
Art Unit
3743
PTA
-91 days