Patent US2419593A successfully refreshed from Google Patents.
US2851728A
Expired / Lapsed
US
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Interlockable dental dowel pin and repositioning gauge and method of using
Assignee: Individual
•
Filing: 1954-07-14
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Granted: 1958-09-16
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Expires: 1974-07-14
Abstract
No abstract record available.
Inventors
- 👤 Spalten Robert
- 👤 Abraham B Weinstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:02
CPC Classifications
A; A61; A61C; A61C9/00; A61C9/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1144336A
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US1507024A
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US2310830A
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US2274060A
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US2433889A
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US2434416A
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US2423330A
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US2576206A
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US2648136A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |