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App. No. 09/940,191 · Confirmation No. 4921

PISTON RING, IN PARTICULAR FOR A PISTON OF A VIBRATION DAMPER

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2004-03-01 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-08-27 TRNA Transmittal of New Application 3 View
2001-08-27 A.PE Preliminary Amendment 5 View
2001-08-27 SPEC Specification 10 View
2001-08-27 CLM Claims 2 View
2001-08-27 ABST Abstract 1 View
2001-08-27 DRW Drawings-only black and white line drawings 5 View
2001-08-27 OATH Oath or Declaration filed 3 View
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Quick Facts
App. No.
09/940,191
Filed
2001-08-27
Granted
2004-04-13
Pub. No.
US20020043768A1
Art Unit
3677
PTA
-14 days