US3483618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tooth crown construction and process for forming the same
Assignee: Individual
•
Filing: 1963-07-02
•
Granted: 1969-12-16
•
Expires: 1983-07-02
Abstract
No abstract record available.
Inventors
- 👤 Vladimir Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:19
CPC Classifications
A; A61; A61C; A61C13/00; A61C13/0003; A61C5/00; A61C5/70; A61C5/77
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A TOOTH CROWN CONSTRUCTION COMPRISING A DIE FORMED OVER THE STUMP OF A TOOTH, INCLUDING A FRONT WALL PORTION ADAPTED TO FACE OUTWARDLY AND BE VISIBLE IN THE MOUTH, AND A BACK WALL PORTION ADAPTED TO OVERLIE THE REAR PORTION OF THE TOOTH AND BE INVISIBLE IN THE MOUTH, A PREFABRICATED SHELL PORTION EXTENDING UPWARDLY FROM THE REAR PORTION OF THE DIE AND BEING CONNECTED AT ITS LOWER PERIPHERY TO SAID REAR PORTION, SAID SHELL PORTION BEING SPACED FROM THE UPPER END OF SAID DIE AND FROM SAID BACK WALL PORTION FOR ACCOMMONDATING A COATING IN THE SPACE BETWEEN SAID SHELL PORTION AND SAID BACK WALL PORTION, SAID COATING BEING APPLIED OVER THE FRONT WALL PORTION OF SAID DIE, AND BITS OF WIRES IN THE SPACE BETWEEN SAID DIE AND SAID SHELL.
Claim 2
Dependent Claim
132 words
A TOOTH CROWN CONSTRUCTION COMPRISING A DIE FORMED OVER THE STUMP OF A TOOTH, INCLUDING A FRONT WALL PORTION ADAPTED TO FACE OUTWARDLY AND BE VISIBLE IN THE MOUTH, AND A BACK WALL PORTION ADAPTED TO OVERLIE THE REAR PORTION OF THE TOOTH AND BE INVISIBLE IN THE MOUTH, A PREFABRICATED SHELL PORTION EXTENDING UPWARDLY FROM THE REAR PORTION OF THE DIE AND BEING CONNECTED AT ITS LOWER PERIPHERY TO SAID REAR PORTION, SAID SHELL PORTION BEING SPACED FROM THE UPPER END OF SAID DIE AND FROM SAID BACK WALL PORTION FOR ACCOMMONDATING A COATING IN THE SPACE BETWEEN SAID SHELL PORTION AND SAID BACK WALL PORTION, SAID COATING BEING APPLIED OVER THE FRONT WALL PORTION OF SAID DIE, AND BITS OF WIRES IN THE SPACE BETWEEN SAID DIE AND SAID SHELL.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |