IP Library › Granted Patent US 6,582,819
Granted Patent Utility
US 6,582,819 · Confirmation No. 3171

LOW DENSITY COMPOSITE PROPPANT, FILTRATION MEDIA, GRAVEL PACKING MEDIA, AND SPORTS FIELD MEDIA, AND METHODS FOR MAKING AND USING SAME

Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2010-10-12 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-10-12 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-10-04 PA.. Power of Attorney 1 View
2010-10-04 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2010-10-04 N417 Electronic Filing System Acknowledgment Receipt 2 View
2006-11-13 LET. Miscellaneous Incoming Letter 1 View
2006-11-13 DRW Drawings-only black and white line drawings 4 View
2001-02-01 TRNA Transmittal of New Application 4 View
2001-02-01 SPEC Specification 74 View
2001-02-01 CLM Claims 7 View
2001-02-01 ABST Abstract 1 View
2001-02-01 DRW Drawings-only black and white line drawings 10 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 6,582,819
App. No.
09/774,881
Filed
2001-02-01
Granted
2003-06-24
Pub. No.
US20020048676A1
Art Unit
1773
PTA
-134 days