IP Library Patent Application 09898774
Patent Application Utility Small
App. No. 09/898,774 · Confirmation No. 2869

FOLDED FIN PLATE HEAT-EXCHANGER

Inventor: Jon Zuo
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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Code Description Pages PDF
2001-06-29 TRNA Transmittal of New Application 3 View
2001-06-29 SPEC Specification 10 View
2001-06-29 CLM Claims 3 View
2001-06-29 ABST Abstract 1 View
2001-06-29 DRW Drawings-only black and white line drawings 4 View
2001-06-29 OATH Oath or Declaration filed 3 View
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Quick Facts
App. No.
09/898,774
Filed
2001-06-29
Granted
2002-06-25
Art Unit
3743
PTA
-8 days