IP Library Granted Patent US 6,706,521
Granted Patent Utility
US 6,706,521 · Confirmation No. 1651

BED CLEANING SYSTEM FOR FLUIDIZED-BED BIOREACTORS

Inventor: Samuel Frisch
⬇ PDF
Code Description Pages PDF
2004-01-08 IFEE Issue Fee Payment (PTO-85B) 2 View
2004-01-08 LET. Miscellaneous Incoming Letter 5 View
2001-10-15 TRNA Transmittal of New Application 2 View
2001-10-15 DRW Drawings-only black and white line drawings 6 View
2001-08-16 TRNA Transmittal of New Application 3 View
2001-08-16 SPEC Specification 15 View
2001-08-16 CLM Claims 5 View
2001-08-16 ABST Abstract 1 View
2001-08-16 DRW Drawings-only black and white line drawings 6 View
2001-08-16 OATH Oath or Declaration filed 2 View
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
Patent No.
US 6,706,521
App. No.
09/930,894
Filed
2001-08-16
Granted
2004-03-16
Pub. No.
US20030036191A1
Art Unit
1744
PTA
-71 days