US3218713A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Orthodontic brackets for arch wires
Assignee: Individual
•
Filing: 1961-10-13
•
Granted: 1965-11-23
•
Expires: 1981-10-13
Abstract
No abstract record available.
Inventors
- 👤 Wallshein Melvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:56
CPC Classifications
A; A61; A61C; A61C7/00; A61C7/12; A61C7/14; A61C7/143
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
IN A ORTHODONTIC SYSTEM CONSISTING OF A TOOTH BAND, A BRACKET MEMBER MOUNTED ON SAID TOOTH BAND, AND AN ARC WIRE ENGAGED BY SAID BRACKET MEMBER, THE IMPROVEMENT BEING IN THAT SAID BRACKET MEMBER IS OF THIN SPRINGY MATERIAL BENT ON ITSELF TO FORM TWO LEAVES OPPOSITE EACH OTHER, ONE OF SAID LEAVES BEING A CHANNEL, EACH OF THE OPPOSITE WALLS OF SAID CHANNEL HAVING A PLURALITY OF NOTCHES THEREIN WHEREBY A TOOTH IS FORMED BETWEEN NOTCHES IN EACH OF SAID WALLS; THE NOTCHES IN ONE OF SAID WALLS BEING OPPOSITE THE NOTCHES IN THE OTHER OF SAID WALLS, EACH PAIR OF OPPOSITE NOTCHES BEING ALIGNED SO AS TO BE SUBSTANTIALLY PARALLEL TO THE UPPER AND LOWER ENDS OF THE BANDS, EACH OF THE NOTCHES BEING AT A SIZE TO HAVE THE ARCH WIRE SET
Claim 2
Dependent Claim
135 words
IN A ORTHODONTIC SYSTEM CONSISTING OF A TOOTH BAND, A BRACKET MEMBER MOUNTED ON SAID TOOTH BAND, AND AN ARC WIRE ENGAGED BY SAID BRACKET MEMBER, THE IMPROVEMENT BEING IN THAT SAID BRACKET MEMBER IS OF THIN SPRINGY MATERIAL BENT ON ITSELF TO FORM TWO LEAVES OPPOSITE EACH OTHER, ONE OF SAID LEAVES BEING A CHANNEL, EACH OF THE OPPOSITE WALLS OF SAID CHANNEL HAVING A PLURALITY OF NOTCHES THEREIN WHEREBY A TOOTH IS FORMED BETWEEN NOTCHES IN EACH OF SAID WALLS; THE NOTCHES IN ONE OF SAID WALLS BEING OPPOSITE THE NOTCHES IN THE OTHER OF SAID WALLS, EACH PAIR OF OPPOSITE NOTCHES BEING ALIGNED SO AS TO BE SUBSTANTIALLY PARALLEL TO THE UPPER AND LOWER ENDS OF THE BANDS, EACH OF THE NOTCHES BEING AT A SIZE TO HAVE THE ARCH WIRE SET
References Cited (Backward Citations)
US461601A
Cited
US656225A
Cited
US2144140A
Cited
US2307377A
Cited
US2599303A
Cited
US2941268A
Cited
US2915824A
Cited
US3052027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |