Patent Application
Utility
App. No. 10/254,549
· Confirmation No. 9490
SEMICONDUCTOR LASER ELEMENT HAVING GREAT BANDGAP DIFFERENCE BETWEEN ACTIVE LAYER AND OPTICAL WAVEGUIDE LAYERS, AND INCLUDING ARROW STRUCTURE FORMED WITHOUT P-AS INTERDIFFUSION
Inventor:
Toshiaki Fukunaga
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2003-10-08 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2002-09-26 | TRNA |
Transmittal of New Application | 1 | View | |
| 2002-09-26 | SPEC |
Specification | 28 | View | |
| 2002-09-26 | CLM |
Claims | 4 | View | |
| 2002-09-26 | ABST |
Abstract | 1 | View | |
| 2002-09-26 | DRW |
Drawings-only black and white line drawings | 6 | View | |
| 2002-09-26 | OATH |
Oath or Declaration filed | 2 | View |
Inventors
Toshiaki Fukunaga
Kaisei-machi, JAPAN
Attorneys & Agents of Record
Classification
USPC
372/43
H01S5/2231
H01S5/0655
H01S5/20
H01S5/2004
H01S5/209
Prosecution
- Examiner
- NGUYEN, DUNG T
- Art Unit
- 2828
- Customer No.
- 23373
- Docket No.
- Q69731
- Confirmation No.
- 9490
Foreign Priority
302225/2001
·
2001-09-28
·
JAPAN
Publication
- Pub. No.
- US20030063644A1
- Pub. Date
- 2003-04-03
Patent Term Adjustment
0days
No related applications found.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2007-02-15
from
FUKUNAGA, TOSHIAKI
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2002-09-26
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Quick Facts
- App. No.
- 10/254,549
- Filed
- 2002-09-26
- Granted
- 2003-12-09
- Pub. No.
- US20030063644A1
- Examiner
- NGUYEN, DUNG T
- Art Unit
- 2828
- PTA
- 0 days
External Links