Granted Patent
Utility
US 6,649,048
· Confirmation No. 2633
FILTER CARTRIDGE WITH REGULATED SURFACE CLEANING MECHANISM
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2003-09-22 | IFEE |
Issue Fee Payment (PTO-85B) | 2 | View | |
| 2001-11-20 | TRNA |
Transmittal of New Application | 1 | View | |
| 2001-11-20 | SPEC |
Specification | 20 | View | |
| 2001-11-20 | CLM |
Claims | 6 | View | |
| 2001-11-20 | ABST |
Abstract | 1 | View | |
| 2001-11-20 | DRW |
Drawings-only black and white line drawings | 5 | View | |
| 2001-11-20 | OATH |
Oath or Declaration filed | 2 | View |
Inventors
Scott A. de Ridder
Portland, OR
James H. Lenhart JR.
Portland, OR
Attorneys & Agents of Record
Classification
USPC
210/106
Prosecution
- Examiner
- CECIL, TERRY K
- Art Unit
- 1723
- Docket No.
- 027262-00246
- Confirmation No.
- 2633
Publication
- Pub. No.
- US20030094407A1
- Pub. Date
- 2003-05-22
Patent Term Adjustment
-5days
Child
is a Continuation in-part of
→
App. 10/647,102
· US 7,214,311
Filed 2003-08-21
· Patented Case
Child
is a Continuation in-part of
→
App. 11/738,842
· US 7,419,591
Filed 2007-04-23
· Patented Case
Child
PCT
is a Continuation of
→
PCT/US2002/037201
Filed 2002-11-19
· PCT - IPER (International Preliminary Examination Report) 409-416 Mailed
SECURITY INTEREST
Recorded 2016-12-08
RELEASE OF SECURITY INTEREST
Recorded 2016-12-02
RELEASE OF SECURITY INTEREST
Recorded 2016-12-02
RELEASE OF SECURITY INTEREST
Recorded 2016-11-30
CONTECH ENGINEERED SOLUTIONS LLC (F/K/A CONTECH CONSTRUCTION PRODUCTS INC.),
KEYSTONE RETAINING WALL SYSTEMS LLC (F/K/A KEYSTONE RETAINING WALL SYSTEMS INC.),
CONTECH TRUCKING & LOGISTICS, LLC
RELEASE OF SECURITY INTEREST
Recorded 2013-08-07
NOTICE OF GRANT OF SECURITY INTEREST IN PATENTS
Recorded 2013-06-18
CENTIFICATE OF CONVERSION
Recorded 2012-02-03
from
ALLIANCE CONSTRUCTION PRODUCTS INC.,
ARMORTEC, LLC,
CDS TECHNOLOGIES, INC.,
CONTECH BRIDGE SOLUTIONS INC.,
CONTECH CONSTRUCTION PRODUCTS, INC.,
CONTECH EARCH STABILIZATION SOLUTIONS INC.,
CONTECH STORMWATER SOLUTIONS INC.,
CONTECH TECHNOLOGIES, LLC,
CONTECH TRUCKING & LOGISTICS, LLC,
KEYSTONE RETAINING WALL SYSTEMS, INC.,
SAFETY PRECAST, INC.,
SUPERIOR DRAINAGE, LLC,
THOMPSON CULVERT COMPANY,
WEST TEXAS CULVERTS, INC.
SECURITY AGREEMENT
Recorded 2010-09-22
TERMINATION OF SECURITY INTEREST IN PATENTS
Recorded 2006-02-03
NOTICE OF GRANT OF SECURITY INTEREST
Recorded 2005-05-05
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-11-20
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Quick Facts
- Patent No.
- US 6,649,048
- App. No.
- 09/990,564
- Filed
- 2001-11-20
- Granted
- 2003-11-18
- Pub. No.
- US20030094407A1
- Examiner
- CECIL, TERRY K
- Art Unit
- 1723
- PTA
- -5 days
External Links