Granted Patent
Utility
US 6,583,055
· Confirmation No. 2454
METHOD OF FORMING STEPPED CONTACT TRENCH FOR SEMICONDUCTOR DEVICES
Inventor:
Chien-Lung Chu
Patented Case
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2012-04-09 | PET.AUTO |
ePetition Request Form | 3 | View | |
| 2012-04-09 | WFEE |
Fee Worksheet (SB06) | 2 | View | |
| 2012-04-09 | PET.DEC.AUTO |
ePetition Grant Letter | 1 | View | |
| 2012-04-09 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2002-01-25 | TRNA |
Transmittal of New Application | 3 | View | |
| 2002-01-25 | SPEC |
Specification | 10 | View | |
| 2002-01-25 | CLM |
Claims | 4 | View | |
| 2002-01-25 | ABST |
Abstract | 1 | View | |
| 2002-01-25 | DRW |
Drawings-only black and white line drawings | 9 | View | |
| 2002-01-25 | OATH |
Oath or Declaration filed | 3 | View |
Inventors
Chien-Lung Chu
Taipei, TAIWAN
Attorneys & Agents of Record
Classification
USPC
438/638
H10W20/095
H10W20/032
H10W20/082
H10D64/0111
H10W20/056
Prosecution
- Examiner
- GURLEY, LYNNE ANN
- Art Unit
- 2812
- Docket No.
- B-4481 619487-3
- Confirmation No.
- 2454
Patent Term Adjustment
-1days
No related applications found.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2020-09-07
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2020-04-08
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2019-07-12
CHANGE OF NAME
Recorded 2019-06-28
from
CHU, CHIEN-LUNG
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2002-01-25
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Quick Facts
- Patent No.
- US 6,583,055
- App. No.
- 10/057,142
- Filed
- 2002-01-25
- Granted
- 2003-06-24
- Examiner
- GURLEY, LYNNE ANN
- Art Unit
- 2812
- PTA
- -1 days
External Links