Granted Patent
Utility
US 6,647,543
· Confirmation No. 5427
METHOD FOR MANUFACTURING A PAIR OF COMPLEMENTARY MASKS
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2003-09-17 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2003-07-10 | LET. |
Miscellaneous Incoming Letter | 1 | View | |
| 2003-07-10 | DRW |
Drawings-only black and white line drawings | 2 | View | |
| 2002-02-27 | TRNA |
Transmittal of New Application | 1 | View | |
| 2002-02-27 | SPEC |
Specification | 23 | View | |
| 2002-02-27 | CLM |
Claims | 3 | View | |
| 2002-02-27 | ABST |
Abstract | 1 | View | |
| 2002-02-27 | DRW |
Drawings-only black and white line drawings | 8 | View | |
| 2002-02-27 | OATH |
Oath or Declaration filed | 3 | View |
Inventors
Yasuhisa Yamada
Tokyo, JAPAN
Kenichi Takada
Kanagawa, JAPAN
Attorneys & Agents of Record
Classification
USPC
716/21
H10P76/00
G03F1/20
Prosecution
- Examiner
- KIK, PHALLAKA
- Art Unit
- 2825
- Docket No.
- Q68727
- Confirmation No.
- 5427
Foreign Priority
2001-053885
·
2001-02-28
·
JAPAN
Publication
- Pub. No.
- US20020170031A1
- Pub. Date
- 2002-11-14
Patent Term Adjustment
0days
No related applications found.
CHANGE OF ADDRESS
Recorded 2017-11-29
from
NEC CORPORATION
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2003-02-25
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2002-04-16
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Quick Facts
- Patent No.
- US 6,647,543
- App. No.
- 10/083,103
- Filed
- 2002-02-27
- Granted
- 2003-11-11
- Pub. No.
- US20020170031A1
- Examiner
- KIK, PHALLAKA
- Art Unit
- 2825
- PTA
- 0 days
External Links