Granted Patent
Utility
US 6,691,413
· Confirmation No. 3950
UNDERDRAIN FILTRATION SYSTEM WITH STAMPED PERFORATIONS
Inventor:
Gary D. Haggard
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2023-03-27 | WFEE |
Fee Worksheet (SB06) | 1 | View | |
| 2003-12-29 | LET. |
Miscellaneous Incoming Letter | 4 | View | |
| 2003-12-29 | DRW |
Drawings-only black and white line drawings | 5 | View | |
| 2002-06-28 | TRNA |
Transmittal of New Application | 3 | View | |
| 2002-06-28 | A.PE |
Preliminary Amendment | 3 | View | |
| 2002-06-28 | SPEC |
Specification | 13 | View | |
| 2002-06-28 | CLM |
Claims | 4 | View | |
| 2002-06-28 | ABST |
Abstract | 1 | View | |
| 2002-06-28 | DRW |
Drawings-only black and white line drawings | 6 | View | |
| 2002-06-28 | OATH |
Oath or Declaration filed | 5 | View | |
| 2002-06-28 | LET. |
Miscellaneous Incoming Letter | 1 | View |
Inventors
Gary D. Haggard
Austin, TX
Attorneys & Agents of Record
Classification
USPC
29/428
B01D24/24
Y10T29/496
Y10T29/49604
Y10T29/49826
B01D24/4631
Prosecution
- Examiner
- OMGBA, ESSAMA
- Art Unit
- 3726
- Docket No.
- 553-1
- Confirmation No.
- 3950
Publication
- Pub. No.
- US20020166807A1
- Pub. Date
- 2002-11-14
Patent Term Adjustment
-117days
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2016-03-02
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2012-08-06
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2010-11-19
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Quick Facts
- Patent No.
- US 6,691,413
- App. No.
- 10/185,638
- Filed
- 2002-06-28
- Granted
- 2004-02-17
- Pub. No.
- US20020166807A1
- Examiner
- OMGBA, ESSAMA
- Art Unit
- 3726
- PTA
- -117 days
External Links