Patent US3567806A successfully refreshed from Google Patents.
US3567806A
Expired / Lapsed
US
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Method for making tray dentures
Assignee: JOHN P DYAL
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Filing: 1968-04-22
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Granted: 1971-03-02
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Expires: 1988-04-22
Abstract
Abstract MENT FOR MAKING THE PREFABRICATED DENTURE AND FOR FITTING THE DENTURE TO THE PATIENT''S MOUTH. AN ENTIRE DENTURE IS PREFABRICATED ON A NON-ANATOMICAL BASE TRAY. THE TRAY IS THEN AT LEAST PARTIALLY COVERED WITH A SELF-CONFORMING MATERIAL AND PLACED IN A PATIENT''S MOUTH, THEREBY BUILDING AN ANATOMICAL BASE CONFORMING TO THE PATIENT''S ALVEOLAR RIDGES. FOLLOWING THIS, THE ANATOMICAL BASE IS GIVEN A CUSTOM FIT BY MEANS OF SUITABLE TRIMMING AND EDGE SEALING. THE INVENTION ENCOMPASES THE EQUIP-
Inventors
- 👤 John P Dyal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:27
CPC Classifications
A; A61; A61C; A61C13/00; A61C13/0001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |