IP Library Granted Patent US 6,378,443
Granted Patent Utility Small
US 6,378,443 · Confirmation No. 1880

HOPPER CAR OUTLET GATE VALVE

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Code Description Pages PDF
2001-05-23 TRNA Transmittal of New Application 15 View
2001-05-23 A.PE Preliminary Amendment 13 View
2001-05-23 SPEC Specification 10 View
2001-05-23 CLM Claims 4 View
2001-05-23 ABST Abstract 1 View
2001-05-23 DRW Drawings-only black and white line drawings 4 View
2001-05-23 OATH Oath or Declaration filed 8 View
2001-05-23 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
Patent No.
US 6,378,443
App. No.
09/863,510
Filed
2001-05-23
Granted
2002-04-30
Pub. No.
US20010023650A1
Art Unit
3617
PTA
-126 days