Patent US2670489A successfully refreshed from Google Patents.
US2670489A
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Brush and synthetic bristles for imparting antiseptic properties
Assignee: KANSAS CITY TESTING LAB
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Filing: 1946-04-11
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Granted: 1954-03-02
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Expires: 1966-04-11
Abstract
No abstract record available.
Inventors
- 👤 Cross Mary Forbes
- 👤 Frist National Bank Of Ka City
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:19
CPC Classifications
A; A61; A61Q; A61Q11/00; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/20; A61K8/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
A SYNTHETIC TOOTHBRUSH BRISTLE WHICH COMPRISES A THERMOPLASTIC RESIN HAVING UNIFORMLY INCORPORATED THEREIN BEFORE DRAWING A FLUORIDE.
Claim 2
Dependent Claim
17 words
A SYNTHETIC TOOTHBRUSH BRISTLE WHICH COMPRISES A THERMOPLASTIC RESIN HAVING UNIFORMLY INCORPORATED THEREIN BEFORE DRAWING A FLUORIDE.
References Cited (Backward Citations)
US2099688A
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US2216825A
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US2226529A
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US2309021A
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US2214397A
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US2249686A
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US2273364A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-01 | 1957-08-31 | 1958-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-01 | 1961-08-31 | 1962-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-01 | 1965-08-31 | 1966-03-02 | $7700.00 | Window Closed / Lapsed |