US5376581B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabrication of semiconductor laser elements
Assignee: Mitsubishi Chemical Corp
•
Filing: 1993-09-10
•
Granted: 1999-02-23
•
Expires: 2013-09-10
Abstract
No abstract record available.
Inventors
- 👤 Kenji Shimoyama
- 👤 Yuichi Inoue
- 👤 Hideki Gotoh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:26
CPC Classifications
H; H01; H01S; H01S5/00; H01S5/20; H01S5/22; H01S5/223; H01S5/2231; H01S5/227; H01S5/2272; H01S5/40; H01S5/4025; H01S5/4031; Y; Y10; Y10S; Y10S148/00; Y10S148/095
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2002-02-22 | 2002-08-24 | 2003-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-02-22 | 2006-08-24 | 2007-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-02-22 | 2010-08-24 | 2011-02-23 | $7700.00 | Window Closed / Lapsed |