Patent US4304246A successfully refreshed from Google Patents.
US4304246A
Expired / Lapsed
US
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Dental floss holder
Assignee: Individual
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Filing: 1980-04-02
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Granted: 1981-12-08
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Expires: 2000-04-02
Abstract
Abstract An implement for holding dental floss in an operative position, in order to clean the crevices between the teeth; the implement including a U-shaped frame of flexible material, and a dental floss made into an endless loop, and which rests in a longitudinal groove around the outer side of the frame, and which also bridges across the space between the frame ends so that the floss across the space is adaptable for use between the teeth.
Inventors
- 👤 Zaid A. Yafai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:38
CPC Classifications
A; A61; A61C; A61C15/00; A61C15/04; A61C15/046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A dental floss holder, comprising in combination, a U-shaped frame, and a dental floss snap fitted around said frame, said frame including a pair of fork-like legs and a generally semi-circular portion between one end of said legs, a gap between an opposite terminal ends of said legs, and said dental floss extending across said gap; said frame being of resilient material so that said legs are squeezable toward each other; said dental floss comprising a polyester thread made into an endless band for extending around said frame and across said gap; and a chain secured at one end to a longitudinally intermediate portion of one said leg while an opposite end portion of said chain is adjustably fitted in a notch along a longitudinally intermediate portion of the other of said legs for adjusting a tension of said dental floss.
Claim 2
Dependent Claim
141 words
A dental floss holder, comprising in combination, a U-shaped frame, and a dental floss snap fitted around said frame, said frame including a pair of fork-like legs and a generally semi-circular portion between one end of said legs, a gap between an opposite terminal ends of said legs, and said dental floss extending across said gap; said frame being of resilient material so that said legs are squeezable toward each other; said dental floss comprising a polyester thread made into an endless band for extending around said frame and across said gap; and a chain secured at one end to a longitudinally intermediate portion of one said leg while an opposite end portion of said chain is adjustably fitted in a notch along a longitudinally intermediate portion of the other of said legs for adjusting a tension of said dental floss.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-12-07 | 1985-06-08 | 1985-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-12-07 | 1989-06-08 | 1989-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-12-07 | 1993-06-08 | 1993-12-08 | $7700.00 | Window Closed / Lapsed |