IP Library › Granted Patent US 6,591,867
Granted Patent Utility
US 6,591,867 · Confirmation No. 3457

VARIABLE-GRAVITY ANTI-VORTEX AND VAPOR-INGESTION-SUPPRESSION DEVICE

Inventor: Gary D. Grayson
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2016-08-05 OATH Oath or Declaration filed 40 View
2001-09-21 TRNA Transmittal of New Application 2 View
2001-09-21 ADS Application Data Sheet 2 View
2001-09-21 SPEC Specification 16 View
2001-09-21 CLM Claims 8 View
2001-09-21 ABST Abstract 1 View
2001-09-21 DRW Drawings-only black and white line drawings 6 View
2001-09-21 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,591,867
App. No.
09/957,859
Filed
2001-09-21
Granted
2003-07-15
Pub. No.
US20030056838A1
Art Unit
3753
PTA
-2 days