IP Library › Granted Patent US 6,477,891
Granted Patent Utility
US 6,477,891 · Confirmation No. 3630

PROCESS FOR AFFINITY VISCOSIMETRY AND VISCOSIMETRIC AFFINITY SENSOR

Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2011-04-01 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-04-01 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-03-25 PA.. Power of Attorney 2 View
2011-03-25 N417 Electronic Filing System Acknowledgment Receipt 2 View
2011-03-25 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2007-12-13 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2001-07-02 TRNA Transmittal of New Application 2 View
2001-07-02 ADS Application Data Sheet 2 View
2001-07-02 A.PE Preliminary Amendment 14 View
2001-07-02 SPEC Specification 16 View
2001-07-02 CLM Claims 2 View
2001-07-02 ABST Abstract 1 View
2001-07-02 DRW Drawings-only black and white line drawings 2 View
2001-07-02 OATH Oath or Declaration filed 4 View
2001-07-02 LET. Miscellaneous Incoming Letter 1 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 6,477,891
App. No.
09/897,357
Filed
2001-07-02
Granted
2002-11-12
Pub. No.
US20010035047A1
Art Unit
2856
PTA
-196 days