Granted Patent
Utility
US 6,508,868
· Confirmation No. 4071
AIR FILTRATION DEVICE INCLUDING FILTER CHANGE INDICATOR
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2001-11-13 | TRNA |
Transmittal of New Application | 2 | View | |
| 2001-11-13 | SPEC |
Specification | 13 | View | |
| 2001-11-13 | CLM |
Claims | 1 | View | |
| 2001-11-13 | ABST |
Abstract | 1 | View | |
| 2001-11-13 | DRW |
Drawings-only black and white line drawings | 14 | View | |
| 2001-11-13 | OATH |
Oath or Declaration filed | 2 | View |
Inventors
Lawrence M. Pillion
Glen Allen, VA
Michael E. Smith
Glen Allen, VA
Attorneys & Agents of Record
Classification
USPC
96/416
B01D46/103
F24F11/39
F24F1/0071
F24F8/10
F24F8/158
F24F8/108
B01D46/0043
B01D46/0086
B01D46/4254
B01D2265/026
B01D2273/30
Y10S55/34
Y10S116/25
Prosecution
- Examiner
- HOPKINS, ROBERT A
- Art Unit
- 1724
- Customer No.
- 570
- Docket No.
- 10499-64U3 (795210104-01.
- Confirmation No.
- 4071
Publication
- Pub. No.
- US20020040642A1
- Pub. Date
- 2002-04-11
Patent Term Adjustment
0days
SECURITY AGREEMENT
Recorded 2024-12-13
SECURITY INTEREST
Recorded 2012-06-05
RELEASE OF SECURITY INTEREST
Recorded 2012-06-04
SECURITY AGREEMENT
Recorded 2007-06-07
NOTICE OF GRANT OF SECURITY INTEREST
Recorded 2003-01-08
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Quick Facts
- Patent No.
- US 6,508,868
- App. No.
- 10/010,814
- Filed
- 2001-11-13
- Granted
- 2003-01-21
- Pub. No.
- US20020040642A1
- Examiner
- HOPKINS, ROBERT A
- Art Unit
- 1724
- PTA
- 0 days
External Links