Patent US4845796A successfully refreshed from Google Patents.
US4845796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotating flexible stem tooth brush
Assignee: Individual
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Filing: 1987-07-24
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Granted: 1989-07-11
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Expires: 2007-07-24
Abstract
Abstract This tooth brush is designed to effectively clean a person's teeth by rotation. Primarily, it consists of an electric motor in a housing that is hand held, and a flexible brush stem is received in the shaft of the motor and includes bristles that are radially disposed on the other end of the flexible brush stem.
Inventors
- 👤 Randy Mosley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:53
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/16; A61C17/22; A61C17/24; A61C17/26; A46; A46B; A46B2200/00; A46B2200/10; A46B2200/1066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A rotating flexible stem tooth brush comprising, a housing, an electric motor secured in a circuit in said housing, switch means secured in said housing for control of said motor, a brush stem received in said housing and a shaft of said motor, and a cover received over said brush stem for preventing contamination, wherein said housing is externally threaded near a forward end and is threadingly received in said cover that is internally threaded and said brush stem is flexible and one end is frictionally received in said shaft of said motor, wherein another end of said brush stem is provided with a plurality of bristles that are radially spaced apart and extend a partial length of said brush stem for contact with teeth, wherein lamps are secured in said circuit and arranged circumferentially in said forward end of said housing around said brush stem and illuminates the area of said teeth and said bristles of said brush stem.
Claim 2
Dependent Claim
160 words
A rotating flexible stem tooth brush comprising, a housing, an electric motor secured in a circuit in said housing, switch means secured in said housing for control of said motor, a brush stem received in said housing and a shaft of said motor, and a cover received over said brush stem for preventing contamination, wherein said housing is externally threaded near a forward end and is threadingly received in said cover that is internally threaded and said brush stem is flexible and one end is frictionally received in said shaft of said motor, wherein another end of said brush stem is provided with a plurality of bristles that are radially spaced apart and extend a partial length of said brush stem for contact with teeth, wherein lamps are secured in said circuit and arranged circumferentially in said forward end of said housing around said brush stem and illuminates the area of said teeth and said bristles of said brush stem.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-07-10 | 1993-01-09 | 1993-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-07-10 | 1997-01-09 | 1997-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-07-10 | 2001-01-09 | 2001-07-11 | $7700.00 | Window Closed / Lapsed |