Patent DE281802C successfully refreshed from Google Patents.
Patent US4941487A successfully refreshed from Google Patents.
US4941487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluoridated dental floss
Assignee: Individual
•
Filing: 1989-07-11
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Granted: 1990-07-17
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Expires: 2009-07-11
Abstract
Abstract Dental floss is covered with patches of fluoride so that a flossing procedure will expose a user's teeth to a source of flouride. The floss is either ribbon like or string like.
Inventors
- 👤 Floyd V. VanBeneden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:55
CPC Classifications
A; A61; A61C; A61C15/00; A61C15/04; A61C15/041
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
Dental floss consisting entirely of: an elongated base of dental-floss material having an undefined length, said base being ribbon-like in form to have a rectangular cross-section; patches of fluoride on said base, said patches each being approximately one-half inch in length and being spaced apart about one-half inch, and being less than about one mm in thickness.
Claim 2
Dependent Claim
57 words
Dental floss consisting entirely of: an elongated base of dental-floss material having an undefined length, said base being ribbon-like in form to have a rectangular cross-section; patches of fluoride on said base, said patches each being approximately one-half inch in length and being spaced apart about one-half inch, and being less than about one mm in thickness.
References Cited (Backward Citations)
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US4583564A
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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) | 1993-07-16 | 1994-01-15 | 1994-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-07-16 | 1998-01-15 | 1998-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-07-16 | 2002-01-15 | 2002-07-17 | $7700.00 | Window Closed / Lapsed |