Patent US5567155A successfully refreshed from Google Patents.
US5567155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for bracing dental implants or natural tooth roots to secure artificial teeth
Assignee: Individual
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Filing: 1994-12-12
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Granted: 1996-10-22
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Expires: 2014-12-12
Abstract
Abstract A system for bracing dental implants or natural tooth roots to secure artificial teeth includes a plurality of implant members which are implanted in the jawbone or tooth roots of a patient and each has separately connected thereto or formed integral therewith an implant head having a recess for receiving a bar to which a denture can be removably secured.
Inventors
- 👤 Gorm P. Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:02
CPC Classifications
A; A61; A61C; A61C8/00; A61C8/0048
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
93 words
An implant head comprising an implant body having upper and lower end portions each terminating in respective upper and lower terminal faces, said upper end portion including a peripheral face, a bore at least in said lower end portion and an upwardly opening slot in said upper end portion, said slot opening upwardly through said upper terminal face and diametrically oppositely through said peripheral face, said slot including a bottom, said bore opening through said slot bottom, and means for securing a denture attachment bar in spanning relationship to said slot and bore.
Claim 2
Dependent Claim
93 words
An implant head comprising an implant body having upper and lower end portions each terminating in respective upper and lower terminal faces, said upper end portion including a peripheral face, a bore at least in said lower end portion and an upwardly opening slot in said upper end portion, said slot opening upwardly through said upper terminal face and diametrically oppositely through said peripheral face, said slot including a bottom, said bore opening through said slot bottom, and means for securing a denture attachment bar in spanning relationship to said slot and bore.
Claim 3
Dependent Claim
17 words
The implant head as defined in claim 1 wherein said slot bottom is of a convex configuration.
Claim 4
Dependent Claim
37 words
The implant head as defined in claim 2 wherein said upper and lower end portions are generally of a cylindrical configuration with said upper cylindrical portion being of a generally smaller diameter than said lower cylindrical portion.
Claim 5
Dependent Claim
17 words
The implant head as defined in claim 3 wherein said upper cylindrical portion includes said peripheral face.
Claim 6
Dependent Claim
23 words
The implant head as defined in claim 1 wherein said denture attachment bar securing means is a threaded portion of said implant body.
Claim 7
Dependent Claim
24 words
The implant head as defined in claim 1 wherein said denture attachment bar securing means is an external threaded portion of said implant body.
Claim 8
Dependent Claim
31 words
The implant head as defined in claim 1 wherein said denture attachment bar securing means is a threaded portion of said implant body threadedly receiving a threaded denture attachment bar fastener.
Claim 9
Dependent Claim
32 words
The implant head as defined in claim 1 wherein said denture attachment bar securing means is an external threaded portion of said implant body threadedly receiving a threaded denture attachment bar fastener.
References Cited (Backward Citations)
US3514858A
Cited
US3748739A
Cited
US4722688A
Cited
US4516937A
Cited
US4516937B1
Cited
US4531917A
Cited
US4713003A
Cited
US4738619A
Cited
US5052928A
Cited
US5030095A
Cited
US5195892A
Cited
US5125840A
Cited
US5082442A
Cited
US5219286A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-10-22 | 2000-04-22 | 2000-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-10-22 | 2004-04-22 | 2004-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-10-22 | 2008-04-22 | 2008-10-22 | $7700.00 | Window Closed / Lapsed |