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Patent US1763312A successfully refreshed from Google Patents.
US1763312A
Expired / Lapsed
US
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Artificial eye
Assignee: MARKON Manufacturing CO Inc
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Filing: 1928-02-10
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Granted: 1930-06-10
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Expires: 1948-02-10
Abstract
No abstract record available.
Inventors
- 👤 Marcus Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:50
CPC Classifications
A; A63; A63H; A63H3/00; A63H3/36; A63H3/38
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) | 1933-06-09 | 1933-12-09 | 1934-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-06-09 | 1937-12-09 | 1938-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-06-09 | 1941-12-09 | 1942-06-10 | $7700.00 | Window Closed / Lapsed |