US4286957B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US4286957B1 - - Google Patents
Assignee: EssilorLuxottica SA
•
Filing: 1979-01-10
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Granted: 1991-08-13
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Expires: 1999-01-10
Abstract
No abstract record available.
Inventors
- 👤 Le Naour-Sene Lyliane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:53
CPC Classifications
G; G02; G02B; G02B1/00; G02B1/10; G02C; G02C7/00; G02C7/10; G02C7/102
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) | 1994-08-12 | 1995-02-11 | 1995-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-08-12 | 1999-02-11 | 1999-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-08-12 | 2003-02-11 | 2003-08-13 | $7700.00 | Window Closed / Lapsed |