US3465441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ring-type implant for artificial teeth
Assignee: Individual
•
Filing: 1968-03-20
•
Granted: 1969-09-09
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Expires: 1988-03-20
Abstract
No abstract record available.
Inventors
- 👤 Leonard I Linkow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:15
CPC Classifications
A; A61; A61C; A61C8/00; A61C8/0018; A61C8/0019; A61C8/0021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |