Patent Application
Provisional
App. No. 61/147,164
· Confirmation No. 4432
Selective Etch-Back Process for Semiconductor Devices
Provisional Application Expired
|
⬇ PDF
|
Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2023-06-30 | OATH |
Oath or Declaration filed | 8 | View | |
| 2009-02-12 | APP.FILE.REC |
Filing Receipt | 3 | View | |
| 2009-01-26 | TR.PROV |
Provisional Cover Sheet (SB16) | 2 | View | |
| 2009-01-26 | SPEC |
Specification | 18 | View | |
| 2009-01-26 | DRW |
Drawings-only black and white line drawings | 6 | View | |
| 2009-01-26 | WFEE |
Fee Worksheet (SB06) | 2 | View | |
| 2009-01-26 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View |
Inventors
Neng-Kuo Chen
Sinshih Township, TAIWAN
Kuo-Hwa Tzeng
Taipei City, TAIWAN
Cheng-Yuan Tsai
Chu-Pei City, TAIWAN
Attorneys & Agents of Record
Prosecution
- Customer No.
- 43859
- Docket No.
- TSM08-0657P
- Confirmation No.
- 4432
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2023-06-30
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
- App. No.
- 61/147,164
- Filed
- 2009-01-26
External Links