Patent US4516938A successfully refreshed from Google Patents.
US4516938A
Expired / Lapsed
US
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Bondable lingual retainer
Assignee: TP Orthodontics Inc
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Filing: 1984-01-31
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Granted: 1985-05-14
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Expires: 2004-01-31
Abstract
Abstract A dental bondable lingual retainer including a plurality of bonding pads or bases interconnected by bar members or links and a method of making same, wherein the retainer is made from a sheet of fused metal foil and mesh, and the connecting bar members or links have the mesh filled with a suitable material for enhancing the strength of the bar members or closed by attaching a foil to the mesh side.
Inventors
- 👤 Arthur B. Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:47
CPC Classifications
A; A61; A61C; A61C7/00; A61C5/00; A61C5/007
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
71 words
A dental bondable lingual retainer comprising, a plurality of spaced bonding pads each of which is bondable to a tooth, and a bar interconnecting said adjacent pads, said bonding pads and bar being integrally formed from a laminated sheet consisting of a layer of metal foil fused to a layer of metal mesh, and means for filling and closing the mesh of said bar to enhance the strength of the bar.
Claim 2
Dependent Claim
71 words
A dental bondable lingual retainer comprising, a plurality of spaced bonding pads each of which is bondable to a tooth, and a bar interconnecting said adjacent pads, said bonding pads and bar being integrally formed from a laminated sheet consisting of a layer of metal foil fused to a layer of metal mesh, and means for filling and closing the mesh of said bar to enhance the strength of the bar.
Claim 3
Dependent Claim
17 words
The retainer defined in claim 1, wherein said filling and closing means is solder filling the mesh.
Claim 4
Dependent Claim
15 words
The retainer defined in claim 2, wherein said metal foil and mesh are stainless steel.
Claim 5
Dependent Claim
16 words
The retainer defined in claim 1, which includes a pair of pads interconnected by a bar.
Claim 6
Dependent Claim
30 words
The retainer defined in claim 1, which includes more than a pair of pads with a bar interconnecting each adjacent pair, and means filling the mesh area of each bar.
Claim 7
Dependent Claim
26 words
The retainer defined in claim 1, wherein said filling and closing means includes a sheet of metal foil attached to the mesh side of the bar.
Claim 8
Dependent Claim
13 words
The retainer defined in claim 1, wherein said bonding pads are generally rectangular.
Claim 9
Independent Claim
62 words
A method of making a dental lingual retainer from a sheet of fused metal foil and mesh which comprises the steps of stamping the sheet to form a plurality of spaced bonding pads interconnected by a bar, and filling and closing the mesh of the bar to enhance the strength of the bar and prevent the entry of plaque and other debris.
Claim 10
Independent Claim
62 words
A method of making a dental lingual retainer from a sheet of fused metal foil and mesh which comprises the steps of stamping the sheet to form a plurality of spaced bonding pads interconnected by a bar, and filling and closing the mesh of the bar to enhance the strength of the bar and prevent the entry of plaque and other debris.
Claim 11
Dependent Claim
20 words
The method of claim 8, wherein the step of filling and closing the mesh includes filling the mesh with solder.
Claim 12
Dependent Claim
17 words
The method of claim 8, wherein the sheet of fused metal foil and mesh is stainless steel.
Claim 13
Dependent Claim
22 words
The method of claim 8, wherein the step of filling and closing the mesh includes attaching thereto a sheet of metal foil.
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) | 1988-05-13 | 1988-11-12 | 1989-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-05-13 | 1992-11-12 | 1993-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-05-13 | 1996-11-12 | 1997-05-14 | $7700.00 | Window Closed / Lapsed |