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HEAT EXCHANGER WITH HELICAL PASSAGEWAYS

14/833,087 | U.S. Patent Application

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Location ELECTRONIC
Filed Aug. 22, 2015
Examiner JASON N THOMPSON
Class 165
Art Group 3744
Case Type Utility - 165/184000
Status Abandonment for Failure to Correct Drawings/Oath/NonPub Request
Parent 62/69,301 Expired
Parent 62/72,421 Expired
Parent 62/202,164 Expired
Child PCT/US15/56791 Published
Child PCT/US15/56792 Published
Last Updated: 5 years, 6 months ago
Date # Transaction