Patent US2554845A successfully refreshed from Google Patents.
US2554845A
Expired / Lapsed
US
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Method of molding artificial teeth
Assignee: Dentists Supply Company of New York
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Filing: 1946-04-25
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Granted: 1951-05-29
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Expires: 1966-04-25
Abstract
No abstract record available.
Inventors
- 👤 Henry M Thornton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:01
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/16; A; A61; A61C; A61C13/00; A61C13/08; A61C13/081; A61C13/20; A61C13/206
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
THE METHOD OF FORMING ARTIFICIAL TEETH FROM SYNTHETIC RESINS WHICH COMPRISES FIRST MOLDING A TOOTH PART FROM A SYNTHETIC RESIN OF SELECTED VISUAL CHARACTERISTICS, ADDING A MONOMER TO A POLYMERIC SYNTHETIC RESIN OF VISUAL CHARACTERISTICS DIFFERING FROM THOSE OF THE FIRST MOLDED PART, AND THEREAFTER MOLDING SAID POLYMERIC RESIN IN JUXTAPOSITION WITH SAID FIRST MOLDED PART.
Claim 2
Independent Claim
56 words
THE METHOD OF FORMING ARTIFICIAL TEETH FROM SYNTHETIC RESINS WHICH COMPRISES FIRST MOLDING A TOOTH PART FROM A SYNTHETIC RESIN OF SELECTED VISUAL CHARACTERISTICS, ADDING A MONOMER TO A POLYMERIC SYNTHETIC RESIN OF VISUAL CHARACTERISTICS DIFFERING FROM THOSE OF THE FIRST MOLDED PART, AND THEREAFTER MOLDING SAID POLYMERIC RESIN IN JUXTAPOSITION WITH SAID FIRST MOLDED PART.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-28 | 1954-11-27 | 1955-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-28 | 1958-11-27 | 1959-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-28 | 1962-11-27 | 1963-05-29 | $7700.00 | Window Closed / Lapsed |