US2721387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial tooth
Assignee: Individual
•
Filing: 1953-07-13
•
Granted: 1955-10-25
•
Expires: 1973-07-13
Abstract
No abstract record available.
Inventors
- 👤 Edward S Ashuckian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:57
CPC Classifications
A; A61; A61C; A61C8/00; A61C8/0018; A61C8/0036; A61C8/0033
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR617412A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-24 | 1959-04-25 | 1959-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-24 | 1963-04-25 | 1963-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-24 | 1967-04-25 | 1967-10-25 | $7700.00 | Window Closed / Lapsed |