US2603791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial eye
Assignee: American Optical Corp
•
Filing: 1944-02-09
•
Granted: 1952-07-22
•
Expires: 1964-02-09
Abstract
No abstract record available.
Inventors
- 👤 Fritz W Jardon
- 👤 Reuel W Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:26
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)
US807437A
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US1219058A
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GB279785A
Cited
US1881038A
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US1979321A
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US1993121A
Cited
US2090837A
Cited
US2394400A
Cited
US2497872A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-22 | 1956-01-21 | 1956-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-22 | 1960-01-21 | 1960-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-22 | 1964-01-21 | 1964-07-22 | $7700.00 | Window Closed / Lapsed |