US2700636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gum-impregnated dental floss
Assignee: Johnson and Johnson
•
Filing: 1953-01-13
•
Granted: 1955-01-25
•
Expires: 1973-01-13
Abstract
No abstract record available.
Inventors
- 👤 Ashton William Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:29
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/02; A61C; A61C15/00; A61C15/04; A61C15/041; A61Q; A61Q11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
DENTAL FLOSS COMPRISING A SINGLE STRAND OF MATERIAL IMPREGNATED WITH A MEDICAMENT MIXTURE OF UREA AND DIBASIC AMMONIUM PHOSPHATE IN A WATER-SOLUBLE SOLID GUM.
Claim 2
Dependent Claim
24 words
DENTAL FLOSS COMPRISING A SINGLE STRAND OF MATERIAL IMPREGNATED WITH A MEDICAMENT MIXTURE OF UREA AND DIBASIC AMMONIUM PHOSPHATE IN A WATER-SOLUBLE SOLID GUM.
References Cited (Backward Citations)
US185666A
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US1069874A
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US1285988A
Cited
US1839486A
Cited
US1989895A
Cited
US2224489A
Cited
US2464755A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-24 | 1958-07-26 | 1959-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-24 | 1962-07-26 | 1963-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-24 | 1966-07-26 | 1967-01-25 | $7700.00 | Window Closed / Lapsed |