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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
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Abstract

No abstract record available.

Inventors

  • 👤 Vladimir Andrew

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 07:20
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)

US1425055A Cited
US1582294A Cited
US1609549A Cited
DE855307C Cited
US2744326A Cited
US3052983A Cited
US2930125A Cited

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

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