US2675561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial eye and method of making
Assignee: Individual
•
Filing: 1947-03-28
•
Granted: 1954-04-20
•
Expires: 1967-03-28
Abstract
No abstract record available.
Inventors
- 👤 Eric D Clarke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:43
CPC Classifications
B; B29; B29D; B29D11/00; B29D11/02; A; A61; A61F; A61F2/00; A61F2/02; A61F2/14; A61F2/141; Y; Y10; Y10T; Y10T24/00; Y10T24/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US474808A
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US2168331A
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US2322117A
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US2391305A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-19 | 1957-10-19 | 1958-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-19 | 1961-10-19 | 1962-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-19 | 1965-10-19 | 1966-04-20 | $7700.00 | Window Closed / Lapsed |