Patent US3932940A successfully refreshed from Google Patents.
US3932940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental appliance
Assignee: Individual
•
Filing: 1971-12-06
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Granted: 1976-01-20
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Expires: 1991-12-06
Abstract
Abstract A removably attachable orthodontic device for application to the face of a tooth and to which orthodontic apparatus may be secured and orthodontic forces applied to move and change the alignment of the tooth in the gum.
Inventors
- 👤 Frank J. Andren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:36
CPC Classifications
A; A61; A61C; A61C7/00; A61C7/12; A61C7/14; A61C7/16
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
137 words
An orthodontic device removably attachable to a tooth for cooperative connection with orthodontic apparatus and for transmitting a force applied by the connected apparatus to the tooth, said device comprising a thin plate of stiff, bendable sheet material having oppositely facing plain surfaces no larger than about the area of a tooth face, said bendable sheet material permitting said plate to be shaped generally to conform onen of said plain surfaces to a tooth surface, a bracket fixedly mounted on the other of said plain surfaces of said plate for receiving and supporting and for attachment to cooperating force-applying orthodontic apparatus, whereby suitable force is able to be effectively applied to a tooth through said device when said one of said plain surfaces of said plate is cemented to the tooth surface to which it generally conforms.
Claim 2
Dependent Claim
137 words
An orthodontic device removably attachable to a tooth for cooperative connection with orthodontic apparatus and for transmitting a force applied by the connected apparatus to the tooth, said device comprising a thin plate of stiff, bendable sheet material having oppositely facing plain surfaces no larger than about the area of a tooth face, said bendable sheet material permitting said plate to be shaped generally to conform onen of said plain surfaces to a tooth surface, a bracket fixedly mounted on the other of said plain surfaces of said plate for receiving and supporting and for attachment to cooperating force-applying orthodontic apparatus, whereby suitable force is able to be effectively applied to a tooth through said device when said one of said plain surfaces of said plate is cemented to the tooth surface to which it generally conforms.
Claim 3
Dependent Claim
59 words
The device according to claim 1 in which said plate is provided with a plurality of openings extending between its said oppositely facing plain surfaces for permitting fingers of cement to extend from the tooth face through the plate and onto said other of said plain surfaces of the plate in aid of holding said plate to the tooth.
Claim 4
Dependent Claim
20 words
The device according to claim 2 in which said plurality of openings include openings through said plate adjacent its periphery.
Claim 5
Dependent Claim
28 words
The device according to claim 3 in which said plurality of openings include at least one opening located substantially centrally of said plate and closely adjacent said bracket.
Claim 6
Dependent Claim
60 words
The device according to claim 1 in which said bracket comprises a base portion adapted for overall engagement with said other of said plain surfaces of said plate and a projecting portion joined to and extending therefrom, said projecting portion having a saddle for receiving an arch wire and horns in aid of tying the arch wire into the saddle.
Claim 7
Dependent Claim
76 words
The device according to claim 1 together with a second bracket also fixedly mounted on said plate to form with said bracket a cooperating pair, each of the brackets of said pair having a saddle for receiving an arch wire and having horns in aid of tying the arch wire into the saddle, said pair of brackets being fixedly mounted with their saddles spaced apart and aligned for receiving and attachment to a common arch wire.
Claim 8
Dependent Claim
128 words
The device according to claim 1 together with a second bracket also fixedly mounted on said plate to form with said bracket a cooperating pair, each of the brackets of said pair comprising a base portion and a projecting portion joined to and extending therefrom, said projecting portion having a saddle for receiving an arch wire and horns in aid of tying the arch wire into the saddle and, said base portion having an area of surface larger than the area of junction with said projecting portion and adapted for overall engagement with said other of said plain surfaces of said plate, said pair of brackets being fixedly mounted with their projecting portions spaced apart and their saddles aligned for receiving and attachment to a common arch wire.
Claim 9
Dependent Claim
88 words
The device according to claim 2 in which said bracket comprises a base portion and a projecting portion joined to and extending therefrom, said projecting portion having a saddle for receiving an arch wire and having horns in aid of tying the arch wire into the saddle, and said base portion having an area of surface larger than the area of junction with said projecting portion and adapted for overall engagement with an area of said other of said plain surfaces of said plate free of said openings.
Claim 10
Dependent Claim
76 words
The device according to claim 2 together with a second bracket also fixedly mounted on said plate to form with said bracket a cooperating pair, each of the brackets of said pair having a saddle for receiving an arch wire and having horns in aid of tying the arch wire into the saddle, said pair of brackets being fixedly mounted with their saddles spaced apart and aligned for receiving and attachment to a common arch wire.
Claim 11
Dependent Claim
36 words
The device according to claim 9 in which said brackets are spaced apart at least the diameter of one of said openings, one of said openings in said plate opening into the space between said brackets.
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) | 1979-01-19 | 1979-07-21 | 1980-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-19 | 1983-07-21 | 1984-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-19 | 1987-07-21 | 1988-01-20 | $7700.00 | Window Closed / Lapsed |