US2784490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anatomically colored dentures and method of making same
Assignee: EARL POUND
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Filing: 1953-11-10
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Granted: 1957-03-12
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Expires: 1973-11-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Nelson Ingersoll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:47
CPC Classifications
A; A61; A61K; A61K6/00; A61K6/80; A61K6/884; A61K6/887
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
AN INTRA-ORAL RESTORATION MOLDED FROM A BASE MATERIAL SELECTED FROM THE GROUP CONSISTING OF METHYL-METHACRYLATE AND STYRENE AND CURED, A VARI-COLORED REPLICA OF NATURAL GUM TISSUES BONDED TO AN EXTERIOR SURFACE OF SAID RESTORATION, SAID REPLICA BEING COMPOSED OF VARI-COLORED LACQUERS COMPRISING BY VOLUME FROM 15 TO 25% METHYL-METHACRYLATE POLMER DISSOVLED IN FROM 85 TO 75% CHLOROFORM, AND A SLIGHTLY PINK COLORED DIFFUSING COATING EXTENDING OVER AND BONDED TO SAID COLORED REPLICA TO MINIMIZE LINES OF DEMARCATION OF SAID COLORS, AND GIVE DEPTH THERETO SAID DIFFUSING COATING CONSISTING OF APPROXIMATELY 4 PARTS BY VOLUME OF A VEHICLE COMPRISING BY VOLUME FROM 10 TO 20% METHYL-METHACRYLATE POLYMER DISSOLVED IN FROM 90 TO 80% CHLOROFORM AND HAVING SUSPENDED THEREIN APPROXIMATELY ONE PART OF POWDERED MATERIAL SELECTED FROM THE GROUP CONSISTING OF TALC AND GLASS OF BETWEEN 300 AND 400 MESH TO WHICH A VERY SMALL AMOUNT OF METALLIC RED OXIDE HAS BEEN ADDED.
Claim 2
Dependent Claim
151 words
AN INTRA-ORAL RESTORATION MOLDED FROM A BASE MATERIAL SELECTED FROM THE GROUP CONSISTING OF METHYL-METHACRYLATE AND STYRENE AND CURED, A VARI-COLORED REPLICA OF NATURAL GUM TISSUES BONDED TO AN EXTERIOR SURFACE OF SAID RESTORATION, SAID REPLICA BEING COMPOSED OF VARI-COLORED LACQUERS COMPRISING BY VOLUME FROM 15 TO 25% METHYL-METHACRYLATE POLMER DISSOVLED IN FROM 85 TO 75% CHLOROFORM, AND A SLIGHTLY PINK COLORED DIFFUSING COATING EXTENDING OVER AND BONDED TO SAID COLORED REPLICA TO MINIMIZE LINES OF DEMARCATION OF SAID COLORS, AND GIVE DEPTH THERETO SAID DIFFUSING COATING CONSISTING OF APPROXIMATELY 4 PARTS BY VOLUME OF A VEHICLE COMPRISING BY VOLUME FROM 10 TO 20% METHYL-METHACRYLATE POLYMER DISSOLVED IN FROM 90 TO 80% CHLOROFORM AND HAVING SUSPENDED THEREIN APPROXIMATELY ONE PART OF POWDERED MATERIAL SELECTED FROM THE GROUP CONSISTING OF TALC AND GLASS OF BETWEEN 300 AND 400 MESH TO WHICH A VERY SMALL AMOUNT OF METALLIC RED OXIDE HAS BEEN ADDED.
References Cited (Backward Citations)
US2659970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |