US3830247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antiseptic dental floss
Assignee: Individual
•
Filing: 1973-05-25
•
Granted: 1974-08-20
•
Expires: 1993-05-25
Abstract
Abstract Dental floss impregnated with antiseptic material. A dispenser for such dental floss comprises a housing with a freely rotatable spool and a liquid impervious chamber with self-sealing ingress and egress ports for passage of dental floss through the chamber from the spool.
Inventors
- 👤 P Kaphalakos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:38
CPC Classifications
A; A61; A61C; A61C15/00; A61C15/04; A61C15/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
A device as claimed in claim 1 including cutting means mounted on the housing adjacent the egress opening.
Claim 2
Dependent Claim
26 words
A device as claimed in claim 1 including guide means within the chamber constructed and arranged to pass the dental floss in an extended path therethrough.
References Cited (Backward Citations)
US719017A
Cited
US1971570A
Cited
US1966463A
Cited
US2128701A
Cited
US2700636A
Cited
US3491776A
Cited
US3667483A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-08-19 | 1978-02-18 | 1978-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-19 | 1982-02-18 | 1982-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-19 | 1986-02-18 | 1986-08-20 | $7700.00 | Window Closed / Lapsed |