Patent US4001909A successfully refreshed from Google Patents.
US4001909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Child's toothbrush having a whistle
Assignee: Wallace A Erickson and Co
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Filing: 1976-02-02
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Granted: 1977-01-11
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Expires: 1996-02-02
Abstract
Abstract A combined toothbrush whistle having a bristle portion and a shaft with a cover adapted to fit over the slide relative to the shaft. The cover has an opening in the cover wall for producing musical notes and a sheath located at one end of the cover for covering the bristle portion.
Inventors
- 👤 Wallace A. Erickson
- 👤 David K. Erickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:30
CPC Classifications
A; A46; A46B; A46B15/00; A46B15/0002; A46B15/0038; A46B15/004; A46B15/0042; A46B7/00; A46B7/02; A46B7/023; G; G10; G10K; G10K5/00; A46B2200/00; A46B2200/10; A46B2200/1066
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
135 words
A combined toothbrush and whistle device, said device comprising: a brush having a bristle portion and a shaft; a hollow cover adapted to fit over and slide relative to said shaft; said cover having two ends, one which is an open, outboard end and a top, bottom and side walls; said cover having a tapered opening in said top wall located near said outboard end, said taper running downward and toward the free end of the cover; and means connecting said shaft portion and said cover whereby said cover is positioned to embrace said shaft and is adapted to move relative to said shaft portion to provide a whistle in which one can play a range of musical notes when air is blown into said open outboard end of said cover and the cover adjusted.
Claim 2
Dependent Claim
135 words
A combined toothbrush and whistle device, said device comprising: a brush having a bristle portion and a shaft; a hollow cover adapted to fit over and slide relative to said shaft; said cover having two ends, one which is an open, outboard end and a top, bottom and side walls; said cover having a tapered opening in said top wall located near said outboard end, said taper running downward and toward the free end of the cover; and means connecting said shaft portion and said cover whereby said cover is positioned to embrace said shaft and is adapted to move relative to said shaft portion to provide a whistle in which one can play a range of musical notes when air is blown into said open outboard end of said cover and the cover adjusted.
Claim 3
Dependent Claim
42 words
A device in accordance with claim 1 wherein said shaft has a groove along a substantial portion of its length; and said cover top wall has a pin depending therefrom; said pin being adapted to fit in and slide within said groove.
Claim 4
Dependent Claim
36 words
A toothbrush in accordance with claim 1 wherein said cover has a sheath portion extending outward from said remaining cover end, said sheath portion having a shape to project the brush bristles when not in use.
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) | 1980-01-11 | 1980-07-12 | 1981-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-01-11 | 1984-07-12 | 1985-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-01-11 | 1988-07-12 | 1989-01-11 | $7700.00 | Window Closed / Lapsed |