US4416627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Orthodontic appliance
Assignee: Individual
•
Filing: 1977-06-07
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Granted: 1983-11-22
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Expires: 1997-06-07
Abstract
Abstract The orthodontic appliance includes the usual band fitted around the tooth, a pair of T-shaped brackets with an aligned groove for placing the arch wire; a ligating element having a flat base and a button on top is placed on the brackets to hold the arch wire; the ligating element is fastened to the brackets by means of wires welded to the bottom of the ligating element; an elastic band can be fastened to the button as well as to the button on a ligating element analogously tied to another tooth.
Inventors
- 👤 William W. Beazley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:50
CPC Classifications
A; A61; A61C; A61C7/00; A61C7/12
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
116 words
An orthodontic appliance for use in combination with an orthodontic arch wire and an elastic band and including a band fitted around a tooth comprising in combination: a pair of T-shaped brackets on the band each having a groove on top, the grooves being aligned with each other and receiving the arch wire; a ligating member having a base placed on top of the grooves and retaining the arch wire therein, there being wire ends secured to the base and tied under the T-shaped brackets and twisted together to hold the member on the brackets; and the member having a hook on top of the base as anchoring post for a loop of the elastic band.
Claim 2
Dependent Claim
116 words
An orthodontic appliance for use in combination with an orthodontic arch wire and an elastic band and including a band fitted around a tooth comprising in combination: a pair of T-shaped brackets on the band each having a groove on top, the grooves being aligned with each other and receiving the arch wire; a ligating member having a base placed on top of the grooves and retaining the arch wire therein, there being wire ends secured to the base and tied under the T-shaped brackets and twisted together to hold the member on the brackets; and the member having a hook on top of the base as anchoring post for a loop of the elastic band.
Claim 3
Dependent Claim
58 words
An appliance as in claim 1, said wires forming a loop secured to the bottom of the plate and extending generally in the direction of the arch wire as the plate is in position on the brackets, a loop projecting from one end of the base, the wire ends for being twisted on top of the arch wire.
Claim 4
Dependent Claim
18 words
An appliance as in claim 1, said grooves being of rectangular cross-section and the arch wire being round.
Claim 5
Dependent Claim
12 words
An appliance as in claim 1, said hook being a mushroom-shaped button.
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) | 1986-11-21 | 1987-05-23 | 1987-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-11-21 | 1991-05-23 | 1991-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-11-21 | 1995-05-23 | 1995-11-22 | $7700.00 | Window Closed / Lapsed |