Patent US3748094A successfully refreshed from Google Patents.
US3748094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toothbrush sterilization device
Assignee: Individual
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Filing: 1971-08-12
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Granted: 1973-07-24
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Expires: 1991-08-12
Abstract
Abstract APPARATUS FOR STERILIZING TOOTHBRUSHES BY EXPOUSURE OF THE BRISTLE PORTIONS THEREOF FO AN ULTRAVIOLET LIGHT SOURCE WITHIN A SHIELDED CHAMBER OF AN SUBSTANTIALLY CYLINDRICAL SHAPE WITH AN ULTRAVIOLET LAMP BEING CENTRALY DISPOSED IN THE STERILIZING CHAMBER. A ROTATABLE BRUSH HOLDER ASSEMBLY IS ADAPTED TO RECEIVE A PLURALITY OF BRUSHES AND UPON ROTATION TO A STERILIZATION POSITON PRESENT THE BRISTLE PORTIONS OF THE BRUSHES TO THE ULTRAVIOLET LAMP. THE BRUSHES, EXCEPT WHEN IN USE, ARE THUS CONTINUOUSLY EXPOSED TO THE GERM-KILLING ULTRAVIOLET RADIATION.
Inventors
- 👤 J Scheidell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:27
CPC Classifications
A; A61; A61L; A61L2/00; A61L2/02; A61L2/08; A61L2/10
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) | 1976-07-23 | 1977-01-22 | 1977-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-23 | 1981-01-22 | 1981-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-23 | 1985-01-22 | 1985-07-24 | $7700.00 | Window Closed / Lapsed |