Granted Patent
Utility
US 6,537,837
· Confirmation No. 1673
PATTERN FORMATION METHOD USING TWO ALTERNATING PHASE SHIFT MASKS
Inventor:
Sung-woo Lee
|
⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2001-10-16 | TRNA |
Transmittal of New Application | 4 | View | |
| 2001-10-16 | SPEC |
Specification | 15 | View | |
| 2001-10-16 | CLM |
Claims | 5 | View | |
| 2001-10-16 | ABST |
Abstract | 1 | View | |
| 2001-10-16 | DRW |
Drawings-only black and white line drawings | 8 | View | |
| 2001-10-16 | OATH |
Oath or Declaration filed | 3 | View |
Inventors
Sung-woo Lee
Yongin-city, KOREA, REPUBLIC OF
Attorneys & Agents of Record
Classification
USPC
438/16
H10P76/00
G03F1/30
G03F1/70
G03F7/70283
G03F7/70466
Prosecution
- Examiner
- PHAM, LONG
- Art Unit
- 2814
- Docket No.
- SEC.847
- Confirmation No.
- 1673
Foreign Priority
2000-66831
·
2000-11-10
·
REPUBLIC OF KOREA
Publication
- Pub. No.
- US20020058348A1
- Pub. Date
- 2002-05-16
Patent Term Adjustment
0days
No related applications found.
RELEASE OF SECURITY INTEREST
Recorded 2020-11-10
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 2010-11-25
from
LEE, SUNG-WOO
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-10-16
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Quick Facts
- Patent No.
- US 6,537,837
- App. No.
- 09/977,323
- Filed
- 2001-10-16
- Granted
- 2003-03-25
- Pub. No.
- US20020058348A1
- Examiner
- PHAM, LONG
- Art Unit
- 2814
- PTA
- 0 days
External Links