IP Library Granted Patent US 6,520,251
Granted Patent Utility
US 6,520,251 · Confirmation No. 7115

PLATE FOR STACK TYPE HEAT EXCHANGERS AND HEAT EXCHANGER USING SUCH PLATES

⬇ PDF
Code Description Pages PDF
2001-01-08 TRNA Transmittal of New Application 2 View
2001-01-08 SPEC Specification 22 View
2001-01-08 CLM Claims 4 View
2001-01-08 ABST Abstract 1 View
2001-01-08 DRW Drawings-only black and white line drawings 21 View
2001-01-08 TRNA Transmittal of New Application 2 View
2001-01-08 SPEC Specification 22 View
2001-01-08 CLM Claims 4 View
2001-01-08 ABST Abstract 1 View
2001-01-08 DRW Drawings-only black and white line drawings 21 View
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Quick Facts
Patent No.
US 6,520,251
App. No.
09/757,077
Filed
2001-01-08
Granted
2003-02-18
Pub. No.
US20010018969A1
Art Unit
3743
PTA
-193 days