Patent US1967250A successfully refreshed from Google Patents.
US3364577A
Expired / Lapsed
US
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Electrically heated dental wax supplying and manipulating tools
Assignee: RICHARD D OAKLEAF
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Filing: 1965-06-07
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Granted: 1968-01-23
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Expires: 1985-06-07
Abstract
No abstract record available.
Inventors
- 👤 Richard D Oakleaf
- 👤 Ronald C Rickert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:37
CPC Classifications
A; A61; A61C; A61C13/00; A61C13/0028; B; B05; B05C; B05C17/00; B05C17/005; B05C17/00523
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1070905A
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US1457508A
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US1478319A
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US1724070A
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US1909774A
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US2111645A
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US2119908A
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US2206994A
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US2454576A
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US2468818A
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US3264449A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |