US4800407B1
Expired / Lapsed
US
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US4800407B1 - - Google Patents
Assignee: 3D IMAGE TECHNOLOGY Inc
•
Filing: 1988-02-01
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Granted: 1990-08-21
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Expires: 2008-02-01
Abstract
No abstract record available.
Inventors
- 👤 K W Lo Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:35
CPC Classifications
G; G03; G03B; G03B35/00; G03B35/08; G03B35/12; G03B35/10
Claims Analysis
Total Claims: 0
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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) | 1993-08-20 | 1994-02-19 | 1994-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-08-20 | 1998-02-19 | 1998-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-08-20 | 2002-02-19 | 2002-08-21 | $7700.00 | Window Closed / Lapsed |