Patent US2297370A successfully refreshed from Google Patents.
Patent US3745653A successfully refreshed from Google Patents.
US3745653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of orthodontia
Assignee: Individual
•
Filing: 1971-12-06
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Granted: 1973-07-17
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Expires: 1991-12-06
Abstract
Abstract A method of attaching a bracket to a tooth comprising the steps of providing a bracket through which ultraviolet light can be transmitted, applying an adhesive which hardens when exposed to ultraviolet light to an area where said bracket is to be secured to said tooth, placing said bracket on said tooth, and exposing said adhesive to ultraviolet light by directing ultraviolet light through said bracket to harden said adhesive and thereby bond the bracket to said tooth. An orthodontic bracket installation comprising a transparent bracket secured to a tooth with transparent cement.
Inventors
- 👤 M Cohl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:15
CPC Classifications
A; A61; A61C; A61C7/00; A61C7/12
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
76 words
A method of attaching a bracket to a tooth comprising the steps of providing a bracket through which ultraviolet light can be transmitted, applying a cement which hardens when exposed to ultraviolet light to an area where said bracket is to be secured to said tooth, placing said bracket in position on said tooth, and directing ultraviolet light at said cement through said bracket to harden said cement to thereby bond said bracket to said tooth.
Claim 2
Independent Claim
76 words
A method of attaching a bracket to a tooth comprising the steps of providing a bracket through which ultraviolet light can be transmitted, applying a cement which hardens when exposed to ultraviolet light to an area where said bracket is to be secured to said tooth, placing said bracket in position on said tooth, and directing ultraviolet light at said cement through said bracket to harden said cement to thereby bond said bracket to said tooth.
Claim 3
Dependent Claim
29 words
A method of attaching a bracket to a tooth as set forth in claim 1 including the step of preparing the surface of said tOoth to receive said adhesive.
Claim 4
Dependent Claim
20 words
A method of attaching a bracket to a tooth as set forth in claim 1 wherein said bracket is transparent.
Claim 5
Dependent Claim
30 words
A method of attaching a bracket to a tooth as set forth in claim 3 wherein said cement is placed on both said tooth and the rear of said bracket.
Claim 6
Dependent Claim
21 words
A method of attaching a bracket to a tooth as set forth in claim 3 wherein said cement is substantially transparent.
Claim 7
Dependent Claim
61 words
A method of attaching a bracket to a tooth as set forth in claim 5 including the step of applying said cement to the edge of said bracket and the adjacent portion of said tooth, and exposing said cement so applied to ultraviolet light to harden said cement to provide a seal between said edge of said bracket and said tooth.
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) | 1976-07-16 | 1977-01-15 | 1977-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-16 | 1981-01-15 | 1981-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-16 | 1985-01-15 | 1985-07-17 | $7700.00 | Window Closed / Lapsed |