Patent US2575138A successfully refreshed from Google Patents.
US4081908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental implants
Assignee: Individual
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Filing: 1976-07-08
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Granted: 1978-04-04
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Expires: 1996-07-08
Abstract
Abstract A dental implant comprising in combination a foundation member of V-shaped cross section, comprising two members connected at the spex of the V, the foundation member being adapted to be firmly connected with crown-support means, said foundation member being adapted to be inserted into the jaw so as to form a V-shaped structure or one having the shape of an inverted V. Preferably the foundation member plates have a plurality of holes.
Inventors
- 👤 Meer Sneer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:14
CPC Classifications
A; A61; A61C; A61C8/00; A61C8/0086; A61C8/0018; A61C8/0019; A61C8/0048; A61C8/005; A61C8/0069; A61C8/0057; A61C8/0065
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
76 words
A dental implant comprising in combination a foundation member of V-shaped cross section, comprising two members connected at the apex of the V; said two members comprising plates of substantially rectangular shape, of about 10 mm. height and about 20-35 mm. width, forming an angle of 10° to 30° with each other; the foundation member having crown-support connecting means provided with cup-shaped shock-absorbing means, said foundation member being adapted to be inserted in to the jaw.
Claim 2
Dependent Claim
76 words
A dental implant comprising in combination a foundation member of V-shaped cross section, comprising two members connected at the apex of the V; said two members comprising plates of substantially rectangular shape, of about 10 mm. height and about 20-35 mm. width, forming an angle of 10° to 30° with each other; the foundation member having crown-support connecting means provided with cup-shaped shock-absorbing means, said foundation member being adapted to be inserted in to the jaw.
Claim 3
Dependent Claim
18 words
A dental implant device according to claim 1 wherein the two plates forming the V-shaped structure are hinged.
Claim 4
Dependent Claim
25 words
A dental implant device according to claim 1 wherein the shock-absorbing means are provided between the inner part of the V and the crown-support member.
Claim 5
Dependent Claim
20 words
An implant as claimed in claim 1 wherein the F/S ratio of pressure per unit area is lower than 80.
Claim 6
Dependent Claim
27 words
A dental implant device according to claim 1 wherein the foundation member is made of metal, ceramic, plastic, vitreous carbon, optionally provided with a porous surface layer.
Claim 7
Dependent Claim
27 words
A dental implant device according to claim 1, wherein the crown-support connecting means is connected to one of said members at a point thereon opposite the apex.
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) | 1981-04-03 | 1981-10-03 | 1982-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-04-03 | 1985-10-03 | 1986-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-04-03 | 1989-10-03 | 1990-04-04 | $7700.00 | Window Closed / Lapsed |