Granted Patent
Utility
US 6,639,243
· Confirmation No. 4766
DRAM CELL CONSTRUCTIONS
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2003-08-13 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2001-12-05 | TRNA |
Transmittal of New Application | 2 | View | |
| 2001-12-05 | A.PE |
Preliminary Amendment | 4 | View | |
| 2001-12-05 | SPEC |
Specification | 38 | View | |
| 2001-12-05 | CLM |
Claims | 29 | View | |
| 2001-12-05 | ABST |
Abstract | 1 | View | |
| 2001-12-05 | DRW |
Drawings-only black and white line drawings | 31 | View | |
| 2001-12-05 | OATH |
Oath or Declaration filed | 3 | View |
Inventors
Attorneys & Agents of Record
Classification
USPC
257/68
H10B12/036
H10B12/33
H10D1/716
H10D86/201
H10D1/042
Y10S257/906
Prosecution
- Examiner
- NHU, DAVID
- Art Unit
- 2818
- Customer No.
- 29391
- Docket No.
- MI22-1887
- Confirmation No.
- 4766
Publication
- Pub. No.
- US20020055225A1
- Pub. Date
- 2002-05-09
Patent Term Adjustment
0days
RELEASE OF SECURITY INTEREST
Recorded 2020-11-11
RELEASE OF U.S. PATENT AGREEMENT (FOR NON-U.S. GRANTORS)
Recorded 2018-10-12
AMENDED AND RESTATED U.S. PATENT SECURITY AGREEMENT (FOR NON-U.S. GRANTORS)
Recorded 2018-08-22
U.S. PATENT SECURITY AGREEMENT (FOR NON-U.S. GRANTORS)
Recorded 2014-09-09
CHANGE OF ADDRESS
Recorded 2014-09-03
CONVERSANT INTELLECTUAL PROPERTY MANAGEMENT INC.,
CONVERSANT IP N.B. 868 INC.,
CONVERSANT IP N.B. 276 INC.
from
ROYAL BANK OF CANADA
RELEASE OF SECURITY INTEREST
Recorded 2014-08-07
CHANGE OF NAME
Recorded 2014-03-13
U.S. INTELLECTUAL PROPERTY SECURITY AGREEMENT (FOR NON-U.S. GRANTORS) - SHORT FORM
Recorded 2012-01-10
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2009-12-01
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Quick Facts
- Patent No.
- US 6,639,243
- App. No.
- 10/012,233
- Filed
- 2001-12-05
- Granted
- 2003-10-28
- Pub. No.
- US20020055225A1
- Examiner
- NHU, DAVID
- Art Unit
- 2818
- PTA
- 0 days
External Links