Patent US3660987A successfully refreshed from Google Patents.
Patent US3126429A successfully refreshed from Google Patents.
US3126429A
Expired / Lapsed
US
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Method of casting teeth having differently colored layers
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
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Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:55
CPC Classifications
B; B29; B29C; B29C39/00; B29C39/02; B29C39/12; A; A61; A61C; A61C13/00; A61C13/08; A61C13/081; B01; B01J; B01J23/00; B01J23/38; B01J23/54; B01J23/56; B01J23/58; Y; Y10; Y10S; Y10S264/00; Y10S264/59
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A METHOD OF CASTING ARTIFICIAL TEETH HAVING DIFFERENTLY COLORED LAYERS FROM LIQUID EPOXY RESINS SUITABLY COLORED AND COMPRISING THE STEPS OF POURING INTO A MOLD A FIRST MEASURED AMOUNT OF LIQUID EPOXY RESIN OF A PREDETERMINED COLOR AND LESS THAN THE VOLUMETRIC CAPACITY OF THE MOLD CAVITY TO FORM ONE LAYER OF A TOOTH, PERMITTING SAID FIRST MEASURED AMOUNT TO PARTIALLY POLYMERIZE TO GEL CONSISTENCY, THEN POURING A SECOND AMOUNT OF A DIFFERENTLY COLORED LIQUID EPOXY RESIN INTO THE MOLD CAVITY TO FILL THE SAME AND BOND TO THE GEL OF SAID ONE LAYER OF RESIN INCIDENT OT COMPLETE CURING OF SAID SECOND AMOUNT OF PLASTIC AND THE ENTIRE COMPOSITE PLASTIC TOOTH, AND REMOVING THE COMPLETED CAST EPOXY RESIN TOOTH FROM THE MOLD CAVITY.
Claim 2
Independent Claim
124 words
A METHOD OF CASTING ARTIFICIAL TEETH HAVING DIFFERENTLY COLORED LAYERS FROM LIQUID EPOXY RESINS SUITABLY COLORED AND COMPRISING THE STEPS OF POURING INTO A MOLD A FIRST MEASURED AMOUNT OF LIQUID EPOXY RESIN OF A PREDETERMINED COLOR AND LESS THAN THE VOLUMETRIC CAPACITY OF THE MOLD CAVITY TO FORM ONE LAYER OF A TOOTH, PERMITTING SAID FIRST MEASURED AMOUNT TO PARTIALLY POLYMERIZE TO GEL CONSISTENCY, THEN POURING A SECOND AMOUNT OF A DIFFERENTLY COLORED LIQUID EPOXY RESIN INTO THE MOLD CAVITY TO FILL THE SAME AND BOND TO THE GEL OF SAID ONE LAYER OF RESIN INCIDENT OT COMPLETE CURING OF SAID SECOND AMOUNT OF PLASTIC AND THE ENTIRE COMPOSITE PLASTIC TOOTH, AND REMOVING THE COMPLETED CAST EPOXY RESIN TOOTH FROM THE MOLD CAVITY.
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) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |