Granted Patent
Utility
US 6,616,841
· Confirmation No. 4740
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2016-12-06 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2016-12-06 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2016-11-18 | PA.. |
Power of Attorney | 1 | View | |
| 2016-11-18 | R3.73 |
Assignee showing of ownership per 37 CFR 3.73 | 2 | View | |
| 2016-11-18 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2001-06-21 | TRNA |
Transmittal of New Application | 2 | View | |
| 2001-06-21 | SPEC |
Specification | 13 | View | |
| 2001-06-21 | CLM |
Claims | 4 | View | |
| 2001-06-21 | ABST |
Abstract | 1 | View | |
| 2001-06-21 | DRW |
Drawings-only black and white line drawings | 3 | View |
Inventors
Kwantai Cho
Charlotte, NC
Clifton J. Delozier
Fort Mill, SC
Linus I. Holstein
Pineville, NC
R. Allen Pittman
Charlotte, NC
Charles J. Runkle
Charlotte, NC
Amitava Sengupta
Charlotte, NC
Attorneys & Agents of Record
Classification
USPC
210/321.83
B01D71/262
B01D63/0232
B01D63/032
B01D71/261
B01D19/0031
B01D61/00
B01D63/026
B01D2313/23
Prosecution
- Examiner
- MENON, KRISHNAN S
- Art Unit
- 1723
- Customer No.
- 32692
- Docket No.
- 77118US002
- Confirmation No.
- 4740
Publication
- Pub. No.
- US20020195385A1
- Pub. Date
- 2002-12-26
Patent Term Adjustment
-4days
from
CELGARD, LLC
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2015-11-03
TERMINATION AND RELEASE OF SECURITY INTEREST IN UNITED STATES PATENTS
Recorded 2015-08-27
RELEASE OF SECURITY AGREEMENTS IN PATENT RIGHTS
Recorded 2014-07-22
PATENT SECURITY AGREEMENT
Recorded 2014-04-08
from
CELGARD, LLC
SECURITY AGREEMENT
Recorded 2004-11-10
from
DELOZIER, CLIFTON J.,
PITTMAN, R. ALLEN,
RUNKLE, CHARLES J.,
SENGUPTA, AMITAVA,
CHO, KWANTAI,
HOLSTEIN, LINUS I.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-10-05
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Quick Facts
- Patent No.
- US 6,616,841
- App. No.
- 09/886,653
- Filed
- 2001-06-21
- Granted
- 2003-09-09
- Pub. No.
- US20020195385A1
- Examiner
- MENON, KRISHNAN S
- Art Unit
- 1723
- PTA
- -4 days
External Links