Patent US3561033A successfully refreshed from Google Patents.
US3561033A
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Automatic toothbrush with motion selector
Assignee: Aqua Tec Corp
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Filing: 1969-05-06
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Granted: 1971-02-09
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Expires: 1989-05-06
Abstract
Abstract AN AUTOMATIC TOOTHBRUSH COMPRISES A HANDLE PROVIDED WITH A DETACHABLE TOOTHBRUSH ELEMENT AND A RECIPROCATING MOTOR IN THE HANDLE FOR DRIVING THE TOOTHBRUSH. RECIPROCATING MOTION IS EFFECTED BY DIRECT DRIVE BETWEEN THE MOTOR AND THE TOOTHBRUSH AND ROTARY OSCILLATING MOTION IS EFFECTED BY A HELICAL MEMBER CONNECTING THE RECIPRO- CATING MOTOR AND THE ROTATABLE DRIVE FOR THE TOOTHBRUSH. A SELECTOR DEVICE IS PROVIDED FOR ALTERNATIVELY CONNECTING THE MOTOR AND TOOTHBRUSH TO EFFECT RECIPROCATING MOVEMENT OF THE BRUSH IN ONE POSITION AND ROTARY OSCILLATING MOVEMENT IN THE OTHER.
Inventors
- 👤 John M Trenary
- 👤 David W Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:31
CPC Classifications
A; A46; A46B; A46B13/00; A46B13/02; A46B13/04; A46B13/06; A61; A61C; A61C17/00; A61C17/16; A61C17/22; A61C17/32; A61C17/34; A61C17/36; A61C17/38; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19702; Y10T74/19721
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |