Granted Patent
Utility
US 6,669,472
· Confirmation No. 4372
DUAL LIFT SYSTEM
Patented Case
View Patent ↗
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2009-01-14 | EBCC.AD |
Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update | 1 | View | |
| 2009-01-13 | EBCC.AD |
Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update | 1 | View | |
| 2003-11-03 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2002-08-28 | TRNA |
Transmittal of New Application | 8 | View | |
| 2002-08-28 | SPEC |
Specification | 26 | View | |
| 2002-08-28 | CLM |
Claims | 7 | View | |
| 2002-08-28 | ABST |
Abstract | 1 | View | |
| 2002-08-28 | DRW |
Drawings-only black and white line drawings | 19 | View |
Inventors
Attorneys & Agents of Record
Classification
USPC
432/179
B01D53/34
F27D21/02
Y10T137/5689
F27D17/20
F27D17/13
B01D53/00
F27D17/00
Prosecution
- Examiner
- YUEN, JESSICA JIPING
- Art Unit
- 3749
- Customer No.
- 42754
- Docket No.
- MT-129
- Confirmation No.
- 4372
Patent Term Adjustment
-89days
Child
PCT
is a Continuation of
→
PCT/US2003/020000
Filed 2003-06-24
· PCT - IPER (International Preliminary Examination Report) 409-416 Mailed
Child
is a Division of
→
App. 10/696,883
· US 6,783,111
Filed 2003-10-30
· Patented Case
Child
is a Division of
→
App. 10/696,886
· US 6,978,977
Filed 2003-10-30
· Patented Case
Child
is a Division of
→
App. 11/297,709
· US 7,150,446
Filed 2005-12-08
· Patented Case
RELEASE OF SECURITY INTEREST
Recorded 2018-10-16
RELEASE OF SECURITY INTEREST
Recorded 2018-10-09
from
MEGTEC SYSTEMS, INC.
SECURITY INTEREST
Recorded 2015-07-20
from
MEGTEC SYSTEMS, INC.
SECURITY INTEREST
Recorded 2014-07-22
TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENT AND TRADEMARK RIGHTS
Recorded 2011-12-20
from
MEGTEC SYSTEMS, INC.
PATENT COLLATERAL ASSIGNMENT AND SECURITY AGREEMENT
Recorded 2011-12-16
from
MEGTEC SYSTEMS, INC.
SECURITY AGREEMENT
Recorded 2008-10-22
TERMINATION OF SECURITY INTEREST IN PATENTS AT REEL/FRAME NOS. 20525/0827 AND 20571/0001
Recorded 2008-10-02
MEGTEC SYSTEMS, INC.,
MEGTEC SYSTEMS AUSTRALIA, INC.,
MTS ASIA, INC.,
MEGTEC SYSTEMS, S.A.S.,
SEQUA GMBH & CO.,
MEGTEC SYSTEMS KG,
MEGTEC SYSTEMS AMAL AB,
MEGTEC SYSTEMS AB
RELEASED BY SECURED PARTY
Recorded 2008-09-30
from
MEGTEC SYSTEMS, INC.
GUARANTEE AND COLLATERAL AGREEMENT
Recorded 2008-02-20
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2002-11-26
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Quick Facts
- Patent No.
- US 6,669,472
- App. No.
- 10/230,240
- Filed
- 2002-08-28
- Granted
- 2003-12-30
- Examiner
- YUEN, JESSICA JIPING
- Art Unit
- 3749
- PTA
- -89 days
External Links