US3551931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic motor driven toothbrush
Assignee: Aqua Tec Corp
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Filing: 1969-02-28
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Granted: 1971-01-05
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Expires: 1989-02-28
Abstract
Abstract A TOOTHBRUSH ENERGIZED BY AN INTERMITTENT LIQUID PULSE STREAM COMPRISES A HANDLE IN WHICH A HYDRAULIC MOTOR OF THE EXPANSIBLE CHAMBER TYPE IS MOUNTED AND CONNECTED TO DRIVE THE TOOTHBRUSH WITH BACK AND FORTH MOVEMENT. THE RECIPROCATING MOVEMENT OF THE MOTOR IS CONVERTED TO OSCILLATING MOVEMENT OF THE BRUSH BY A HELICAL POST DRIVEN BY THE MOTOR AND SLIDABLY ENGAGING A SLEEVE ROTATABLY MOUNTED IN THE HANDLE AND TO WHICH THE BRUSH IS ATTACHED. THE ENERGIZING PULSE STREAM IS CONNECTED IN DIRECT COMMUNICATION WITH THE EXPANSIBLE CHAMBER TO DRIVE THE MOTOR.
Inventors
- 👤 Wayne W Monroe
- 👤 Siegmund Deines
- 👤 Homer A Jeffers Jr
- 👤 John M Trenary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:53
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/16; A61C17/22; A61C17/32; A61C17/34; A61C17/36; A46; A46B; A46B13/00; A46B13/02; A46B13/04; A46B13/06; 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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |