IP Library › Patent Application 60681592
Patent Application Provisional Small
App. No. 60/681,592 · Confirmation No. 3113

Apparatus for distributing gas and liquid during concurrent gas/liquid backwash in filter underdrain flumes

Inventor: John L. Geibel
Provisional Application Expired
⬇ PDF
 Code Description Pages PDF
2005-05-17 TRNA Transmittal of New Application 3 View
2005-05-17 SPEC Specification 2 View
2005-05-17 DRW Drawings-only black and white line drawings 2 View
2005-05-17 WFEE Fee Worksheet (SB06) 1 View
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Quick Facts
App. No.
60/681,592
Filed
2005-05-17