US4964710B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable rigid endoscope
Assignee: LIGHTHOUSE IMAGING ACQUISITION LLC
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Filing: 1989-07-27
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Granted: 1994-08-16
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Expires: 2009-07-27
Abstract
No abstract record available.
Inventors
- 👤 Dennis C Leiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:10
CPC Classifications
G; G02; G02B; G02B23/00; G02B23/24; G02B23/2407; A; A61; A61B; A61B1/00; A61B1/002; G02B23/2446
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) | 1997-08-15 | 1998-02-14 | 1998-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-08-15 | 2002-02-14 | 2002-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-08-15 | 2006-02-14 | 2006-08-16 | $7700.00 | Window Closed / Lapsed |