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US2817845A
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Artificial eye
Assignee: Individual
•
Filing: 1954-02-15
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Granted: 1957-12-31
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Expires: 1974-02-15
Abstract
No abstract record available.
Inventors
- 👤 Eric D Clarke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:12
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/14; A61F2/141; B; B29; B29D; B29D11/00; B29D11/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US474808A
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FR522945A
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GB175212A
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US1963129A
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US1979321A
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US1993121A
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US2322117A
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US2394400A
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US2391305A
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US2673984A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-30 | 1961-07-01 | 1961-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-30 | 1965-07-01 | 1965-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-30 | 1969-07-01 | 1969-12-31 | $7700.00 | Window Closed / Lapsed |