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App. No. 09/866,522 · Confirmation No. 4220

ROTARY VALVE

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2001-05-25 TRNA Transmittal of New Application 2 View
2001-05-25 SPEC Specification 7 View
2001-05-25 CLM Claims 1 View
2001-05-25 ABST Abstract 1 View
2001-05-25 DRW Drawings-only black and white line drawings 3 View
2001-05-25 OATH Oath or Declaration filed 3 View
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Quick Facts
App. No.
09/866,522
Filed
2001-05-25
Granted
2003-06-03
Pub. No.
US20020121307A1
Examiner
LEE, KEVIN L
Art Unit
3753
PTA
-201 days