US2659970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial intraoral veneer and process of producing anatomically colored and contoured restorations utilizing same
Assignee: Individual
•
Filing: 1951-01-19
•
Granted: 1953-11-24
•
Expires: 1971-01-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Nelson Ingersoll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:40
CPC Classifications
A; A61; A61C; A61C13/00; A61C13/01; A61C13/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US88228A
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US644583A
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US810184A
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US1585348A
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US1750810A
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US2234993A
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US2367767A
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US2423330A
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US2551812A
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US2520265A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-23 | 1957-05-25 | 1957-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-23 | 1961-05-25 | 1961-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-23 | 1965-05-25 | 1965-11-24 | $7700.00 | Window Closed / Lapsed |