Patent US4060896A successfully refreshed from Google Patents.
US4060896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prosthodontic implant and method
Assignee: Individual
•
Filing: 1976-05-24
•
Granted: 1977-12-06
•
Expires: 1996-05-24
Abstract
Abstract A prosthodontic implant for anchoring dental appliances to a jawbone implant site, includes a filler of a non-rejectable, hardenable material disposed in the jawbone socket, with a threaded screw of a non-rejectable material extending axially into the site and through the filler, the screw dimensioned such that the outer diameter thereof engages a portion of the periphery of the jawbone socket. The filler is interposed between portions of the screw and the periphery of the socket.
Inventors
- 👤 M. Ervin Wahnish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:01
CPC Classifications
A; A61; A61C; A61C8/00; A61C8/0018; A61C8/0022; A61C8/0048; A61C8/0075
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
114 words
A prosthodontic implant for anchoring dental appliances in a jawbone socket, comprising: a filler of a non-rejectable, hardenable material selected from the group consisting of poly-methyl methacrylate and methyl methacrylate disposed in said jawbone socket; a member of a non-rejectable material selected from the group consisting of poly-methyl methacrylate and methyl methacrylate extending into said socket and through said filler, said member having undulations along the outer periphery thereof and dimensioned such that a portion of the outer periphery thereof engages a portion of the periphery of said jawbone socket; and wherein said filler is interposed between portions of said shaft and the periphery of said jawbone socket and is homogenous with said shaft.
Claim 2
Dependent Claim
114 words
A prosthodontic implant for anchoring dental appliances in a jawbone socket, comprising: a filler of a non-rejectable, hardenable material selected from the group consisting of poly-methyl methacrylate and methyl methacrylate disposed in said jawbone socket; a member of a non-rejectable material selected from the group consisting of poly-methyl methacrylate and methyl methacrylate extending into said socket and through said filler, said member having undulations along the outer periphery thereof and dimensioned such that a portion of the outer periphery thereof engages a portion of the periphery of said jawbone socket; and wherein said filler is interposed between portions of said shaft and the periphery of said jawbone socket and is homogenous with said shaft.
Claim 3
Dependent Claim
25 words
The implant recited in claim 1 wherein said filler comprises a non-rejectable, hardenable material selected from the group consisting of poly-methyl methacrylate and methyl methacrylate.
Claim 4
Dependent Claim
25 words
The implant recited in claim 1 wherein said shaft comprises a non-rejectable, hardened material selected from the group consisting of poly-methyl methacrylate and methyl methacrylate.
Claim 5
Dependent Claim
13 words
The implant recited in claim 1 wherein said shaft comprises a threaded screw.
Claim 6
Dependent Claim
27 words
The implant recited in claim 4 further comprising a structural supporting rod extending through the portion of said screw, said rod extending substantially axially with said screw.
Claim 7
Dependent Claim
20 words
The implant recited in claim 5 wherein said screw consists essentially of a methacrylate compound completely surrounding said supporting rod.
Claim 8
Dependent Claim
12 words
The implant recited in claim 6 wherein said rod comprises a metal.
Claim 9
Dependent Claim
23 words
The implant recited in claim 7 wherein said screw further includes a hexagonal head extending above said jawbone socket and covering said mucosa.
Claim 10
Dependent Claim
18 words
The implant recited in claim 8 further including a circumferential stabilizer surrounding said screw and contacting said jawbone.
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) | 1980-12-05 | 1981-06-06 | 1981-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-12-05 | 1985-06-06 | 1985-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-12-05 | 1989-06-06 | 1989-12-06 | $7700.00 | Window Closed / Lapsed |