IP Library › Patent Application 62620297
Patent Application Provisional
App. No. 62/620,297 · Confirmation No. 8721

Boxed Header for Air-Cooled Heat Exchanger

Provisional Application Expired
⬇ PDF
 Code Description Pages PDF
2018-02-01 APP.FILE.REC Filing Receipt 3 View
2018-01-22 TR.PROV Provisional Cover Sheet (SB16) 3 View
2018-01-22 SPEC Specification 8 View
2018-01-22 DRW Drawings-only black and white line drawings 3 View
2018-01-22 WFEE Fee Worksheet (SB06) 2 View
2018-01-22 N417 Electronic Filing System Acknowledgment Receipt 3 View
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Quick Facts
App. No.
62/620,297
Filed
2018-01-22