IP Library › Granted Patent US 6,453,481
Granted Patent Utility
US 6,453,481 · Confirmation No. 1739

VACUUM WASTE SYSTEM HAVING A VACUUM CONTROL VALVE

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 Code Description Pages PDF
2001-03-20 TRNA Transmittal of New Application 4 View
2001-03-20 SPEC Specification 15 View
2001-03-20 CLM Claims 6 View
2001-03-20 ABST Abstract 1 View
2001-03-20 DRW Drawings-only black and white line drawings 4 View
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Quick Facts
Patent No.
US 6,453,481
App. No.
09/813,196
Filed
2001-03-20
Granted
2002-09-24
Pub. No.
US20020133869A1
Art Unit
3751
PTA
0 days