Patent US2251964A successfully refreshed from Google Patents.
Patent US4780080A successfully refreshed from Google Patents.
US4780080A
Expired / Lapsed
US
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Adjustable dentoalveolar implant system
Assignee: FACIAL ALVEODENTAL IMPLANT REHABILITATION Inc A CORP OF CA
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Filing: 1987-01-05
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Granted: 1988-10-25
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Expires: 2007-01-05
Abstract
Abstract A dental implant system employing a root member which is fixed to the jaw bone. A post is also employed having a first portion fixed to the root and a second portion which extends outwardly from the alveolus of the jaw bone. A head is connected to the post second portion and is angularly disposed in relation to the post. The head is also movable relative to the post to provide various angular orientations for a crown which is fixed to the head.
Inventors
- 👤 Andras Haris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:26
CPC Classifications
A; A61; A61C; A61C8/00; A61C8/0018; A61C8/0022; A61C8/0048; A61C8/005; A61C8/0086; A61C8/0068
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
275 words
A dental implant system intended for placement in an alveolus of the jawbone and for use with a crown, comprising in combination: (a) a root having means for fixing the root to the jawbone and a portion extending into the alveolus; (b) a post with (1) a first portion fixed in the root and (2) a second portion having (a) a post base having a circular cross section adjacent the root and (b) a cylindrical tip (1) with a cross section smaller than the post base cross section, (c) extending from the post base, and (c) a shoulder extending transversely of the second portion between the post base and tip; the tip extending into (c) a head having (1) a cylindrical cavity receiving the tip in close fit, (2) a head base extending transversely of the cylindrical cavity, and (3) a frusto-conical shape having a longitudinal central axis and having a surface opposite the head base in a plane normal to the longitudinal central axis of the head, and said head base having a surface in a plane at an angle to the longitudinal central axis of said head; the root, the post including its base and tip, and the head cavity lying along a common longitudinal axis; the head base resting against the post shoulder; (d) adhesive means fixing the head on the post at a selective rotational position, and (e) a crown on the head, whereby when said head base rests against said shoulder, the longitudinal central axis of said head forms an angle with said common longitudinal axis of said root, the post including its base and tip, and the head cavity.
Claim 2
Dependent Claim
275 words
A dental implant system intended for placement in an alveolus of the jawbone and for use with a crown, comprising in combination: (a) a root having means for fixing the root to the jawbone and a portion extending into the alveolus; (b) a post with (1) a first portion fixed in the root and (2) a second portion having (a) a post base having a circular cross section adjacent the root and (b) a cylindrical tip (1) with a cross section smaller than the post base cross section, (c) extending from the post base, and (c) a shoulder extending transversely of the second portion between the post base and tip; the tip extending into (c) a head having (1) a cylindrical cavity receiving the tip in close fit, (2) a head base extending transversely of the cylindrical cavity, and (3) a frusto-conical shape having a longitudinal central axis and having a surface opposite the head base in a plane normal to the longitudinal central axis of the head, and said head base having a surface in a plane at an angle to the longitudinal central axis of said head; the root, the post including its base and tip, and the head cavity lying along a common longitudinal axis; the head base resting against the post shoulder; (d) adhesive means fixing the head on the post at a selective rotational position, and (e) a crown on the head, whereby when said head base rests against said shoulder, the longitudinal central axis of said head forms an angle with said common longitudinal axis of said root, the post including its base and tip, and the head cavity.
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) | 1991-10-25 | 1992-04-25 | 1992-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-10-25 | 1996-04-25 | 1996-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-10-25 | 2000-04-25 | 2000-10-25 | $7700.00 | Window Closed / Lapsed |