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US3837080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial alloplastic roots, for supporting and retaining dentures
Assignee: Individual
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Filing: 1973-06-13
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Granted: 1974-09-24
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Expires: 1993-06-13
Abstract
Abstract An improved alloplastic root comprising an endo-osteal portion and a very short tail having a threaded free end and comprising too a stump formed with a threaded blind hole which can be screwed onto said threaded end. The stump, extending into the mouth cavity, is screwed onto said threaded end only after having implanted the endo-osteal portion of alloplastic root and after a complete ossification thereof.
Inventors
- 👤 U Pasqualini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:49
CPC Classifications
A; A61; A61C; A61C8/00; A61C8/0018; A61C8/0019; A61C8/0048; A61C8/0075
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
69 words
An improved dental implant, comprising an endo-osteal portion and at least one shaped removable stump extending into the mouth cavity for applying a dental prosthesis thereto, said endo-osteal portion and said stumps being single pieces connectable to each other, said endo-osteal portion having a substantially short tail with a threaded free end, one front side of said stump having a threaded blind hole for screwing onto said threaded end.
Claim 2
Dependent Claim
69 words
An improved dental implant, comprising an endo-osteal portion and at least one shaped removable stump extending into the mouth cavity for applying a dental prosthesis thereto, said endo-osteal portion and said stumps being single pieces connectable to each other, said endo-osteal portion having a substantially short tail with a threaded free end, one front side of said stump having a threaded blind hole for screwing onto said threaded end.
Claim 3
Dependent Claim
55 words
An artificial dental implant according to claim 1, wherein the thread of said tail is formed on the outer surface of said tail, said tail being substantially thickened at the thread, the thread of said stump is being formed in the inner side of a blind hole extending from a front side of said stump.
Claim 4
Dependent Claim
30 words
An artificial dental implant according to claim 2, wherein the threaded portion of said tail is connected with the endo-osteal root portion through a neck having a slightly reduced thickness.
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) | 1977-09-23 | 1978-03-25 | 1978-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-23 | 1982-03-25 | 1982-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-23 | 1986-03-25 | 1986-09-24 | $7700.00 | Window Closed / Lapsed |