IP Library › Patent Application 09980315
Patent Application Utility PCT National Stage
App. No. 09/980,315 · Confirmation No. 1019

PROCESS AND APPARATUS FOR TESTING FILTRATION UNIT INTEGRITY

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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 Code Description Pages PDF
2005-01-21 COCOUT Certificate of Correction - Post Issue Communication 1 View
2003-08-14 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-08-14 LET. Miscellaneous Incoming Letter 1 View
2003-07-22 A... Amendment/Request for Reconsideration-After Non-Final Rejection 1 View
2003-07-22 REM Applicant Arguments/Remarks Made in an Amendment 3 View
2001-11-26 ABST Abstract 1 View
2001-11-26 LET. Miscellaneous Incoming Letter 21 View
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Quick Facts
App. No.
09/980,315
Filed
2001-11-26
Granted
2003-12-23
Art Unit
1723
PTA
-81 days