IP Library Patent Application 60992841
Patent Application Provisional
App. No. 60/992,841 · Confirmation No. 8738

RECUPERATIVE AIR TO AIR HEAT EXCHANGER

Provisional Application Expired
⬇ PDF
Code Description Pages PDF
2007-12-17 APP.FILE.REC Filing Receipt 3 View
2007-12-06 SPEC Specification 12 View
2007-12-06 DRW Drawings-only black and white line drawings 9 View
2007-12-06 ADS Application Data Sheet 5 View
2007-12-06 WFEE Fee Worksheet (SB06) 2 View
2007-12-06 N417 Electronic Filing System Acknowledgment Receipt 2 View
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Quick Facts
App. No.
60/992,841
Filed
2007-12-06