IP Library Granted Patent US 6,374,620
Granted Patent Utility
US 6,374,620 · Confirmation No. 3298

PRESSURE EQUALIZATION PORT

Inventor: Ralph Markey
Patented Case View Patent ↗
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Code Description Pages PDF
2001-04-23 TRNA Transmittal of New Application 2 View
2001-04-23 SPEC Specification 9 View
2001-04-23 CLM Claims 5 View
2001-04-23 ABST Abstract 1 View
2001-04-23 DRW Drawings-only black and white line drawings 4 View
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Quick Facts
Patent No.
US 6,374,620
App. No.
09/838,871
Filed
2001-04-23
Granted
2002-04-23
Art Unit
3744
PTA
0 days