Granted Patent
Utility
US 6,504,021
· Confirmation No. 8444
ION EXCHANGE METHOD FOR DNA PURIFICATION
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2014-12-03 | PETDEC |
Petition Decision | 1 | View | |
| 2014-08-05 | LET. |
Miscellaneous Incoming Letter | 1 | View | |
| 2014-08-05 | PET.OP |
Petition for review by the Office of Petitions | 1 | View | |
| 2014-08-05 | TRAN.LET |
Transmittal Letter | 1 | View | |
| 2014-08-05 | WFEE |
Fee Worksheet (SB06) | 1 | View | |
| 2014-08-05 | WFEE |
Fee Worksheet (SB06) | 1 | View | |
| 2001-07-05 | TRNA |
Transmittal of New Application | 1 | View | |
| 2001-07-05 | SPEC |
Specification | 13 | View | |
| 2001-07-05 | CLM |
Claims | 1 | View | |
| 2001-07-05 | ABST |
Abstract | 1 | View |
Inventors
Attorneys & Agents of Record
Classification
USPC
536/23.1
Prosecution
- Examiner
- QIAN, CELINE X
- Art Unit
- 1636
- Customer No.
- 22907
- Docket No.
- 002491.00004
- Confirmation No.
- 8444
Publication
- Pub. No.
- US20020042506A1
- Pub. Date
- 2002-04-11
Patent Term Adjustment
-35days
RELEASE OF SECURITY INTEREST
Recorded 2020-06-10
from
ALPHA-TEC SYSTEMS, INC.,
ANATRACE PRODUCTS, LLC,
EDGE BIOSYSTEMS, INC.,
MOLECULAR DIMENSIONS, INC.
SECURITY INTEREST
Recorded 2020-06-10
from
OPUS BANK
RELEASE OF SECURITY INTEREST
Recorded 2017-07-17
RELEASE OF SECURITY INTEREST
Recorded 2017-07-17
SECURITY INTEREST
Recorded 2017-07-14
SECURITY INTEREST
Recorded 2015-12-30
from
COMERICA BANK
RELEASE OF SECURITY INTEREST IN PATENTS
Recorded 2015-12-29
PATENT SECURITY AGREEMENT
Recorded 2015-12-29
SECURITY INTEREST
Recorded 2014-07-03
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2002-11-13
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Quick Facts
- Patent No.
- US 6,504,021
- App. No.
- 09/898,473
- Filed
- 2001-07-05
- Granted
- 2003-01-07
- Pub. No.
- US20020042506A1
- Examiner
- QIAN, CELINE X
- Art Unit
- 1636
- PTA
- -35 days
External Links