Patent US4583564A successfully refreshed from Google Patents.
US4583564A
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Dental floss
Assignee: Johnson and Johnson Consumer Inc
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Filing: 1985-06-27
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Granted: 1986-04-22
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Expires: 2005-06-27
Abstract
Abstract A dental floss consisting of filaments containing a higher melting point core material and a lower melting point sheath material whereby the sheath material fibers are fused by subjecting them to a sufficient temperature to achieve same.
Inventors
- 👤 Paul Finkelstein
- 👤 Kevin G. Yost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:54
CPC Classifications
A; A61; A61C; A61C15/00; A61C15/04; A61C15/041
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
39 words
A dental floss comprising filaments containing a higher melting point core material and a lower melting point sheath material whereby the filaments are subjected to a temperature sufficient to achieve fiber to fiber fusion of the sheath material fibers.
Claim 2
Dependent Claim
39 words
A dental floss comprising filaments containing a higher melting point core material and a lower melting point sheath material whereby the filaments are subjected to a temperature sufficient to achieve fiber to fiber fusion of the sheath material fibers.
Claim 3
Dependent Claim
22 words
The floss of claim 1 wherein the core material is selected from the group consisting of polyester, nylon 6, and nylon 6,6.
Claim 4
Dependent Claim
11 words
The floss of claim 2 wherein the core material is polyester.
Claim 5
Dependent Claim
20 words
The floss of claim 1, wherein the sheath material is selected from the group consisting of polyethylene, polypropylene and polyester.
Claim 6
Dependent Claim
11 words
The floss of claim 4 wherein the sheath material is polyethylene.
Claim 7
Dependent Claim
15 words
The floss of claim 1 wherein said floss contains from about 25 to 1000 filaments.
Claim 8
Dependent Claim
20 words
The floss of claim 1 wherein said floss has a twist of from about 0 to 6 turns per inch.
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) | 1989-04-21 | 1989-10-21 | 1990-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-04-21 | 1993-10-21 | 1994-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-04-21 | 1997-10-21 | 1998-04-22 | $7700.00 | Window Closed / Lapsed |