Granted Patent
Utility
Small
US 6,524,849
· Confirmation No. 9942
BIOLOGICAL FILTER STRUCTURES
|
⬇ PDF
|
Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2019-02-05 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2019-02-05 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2019-02-01 | PA.. |
Power of Attorney | 1 | View | |
| 2019-02-01 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2019-02-01 | R3.73 |
Assignee showing of ownership per 37 CFR 3.73 | 3 | View | |
| 2019-02-01 | MFEE.C.AD |
Maintenance Fee Address Change | 2 | View | |
| 2019-01-08 | N572 |
Response - Re: Informal Power of Attorney (PTOL-308) | 1 | View | |
| 2018-11-26 | PA.. |
Power of Attorney | 2 | View | |
| 2018-11-26 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2018-11-26 | TRAN.LET |
Transmittal Letter | 1 | View | |
| 2001-08-23 | TRNA |
Transmittal of New Application | 1 | View | |
| 2001-08-23 | SPEC |
Specification | 7 | View | |
| 2001-08-23 | CLM |
Claims | 3 | View | |
| 2001-08-23 | ABST |
Abstract | 1 | View | |
| 2001-08-23 | DRW |
Drawings-only black and white line drawings | 2 | View |
Inventors
Attorneys & Agents of Record
Classification
USPC
435/299.1
B01D53/85
Y02A50/20
Prosecution
- Examiner
- REDDING, DAVID A
- Art Unit
- 1744
- Customer No.
- 30652
- Docket No.
- 4691-16400
- Confirmation No.
- 9942
Publication
- Pub. No.
- US20030040108A1
- Pub. Date
- 2003-02-27
Patent Term Adjustment
-114days
from
MET-PRO CORPORATION
RELEASE OF SECURITY INTEREST
Recorded 2010-10-13
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-10-09
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 6,524,849
- App. No.
- 09/938,466
- Filed
- 2001-08-23
- Granted
- 2003-02-25
- Pub. No.
- US20030040108A1
- Examiner
- REDDING, DAVID A
- Art Unit
- 1744
- PTA
- -114 days
External Links