Toothbrush
Abstract
Abstract A TOOTHBRUSH WHICH SERVES TO CLEAN THE TEETH AND SIMULTANEOUSLY MASSAGE THE GUMS WITHOUT DAMAGING EITHER THE TEETH OR THE GUMS IS DISCLOSED. THE TOOTHBRUSH COMPRISES A HANDLE WITH A HEAD AT ONE END THEREOF. THE HEAD INCLUDES A CENTRAL BRISTLE SECTION AND A PAIR OF LONGITUDINAL ROWS OF TIPS OF A SOFT FLEXIBLE MATERIAL, PREFERABLY RUBBER, ON EITHER SIDE OF THE CENTRAL BRISTLE SECTION AND/OR ALTERNATING ROWS OF BRISTLES AND RUBBER TIPS. IN ONE EMBODIMENT THE RUBBER TIPS ARE LONGER THAN THE BRISTLES, THEREBY AFFORDING PROTECTION OF THE GUMS FROM THE ACTION OF THE BRISTLES. IN ANOTHER EMBODIMENT THE RUBBER TIPS ARE SERVED INTO WEB-LIKE SECTIONS TO FAN OUT AT THE OUTER ENDS THEREOF THEREBY PROVIDING A GREATER SURFACE AREA FOR SIMULATING THE GUMS.
Inventors
- 👤 Charles M Kramer
- 👤 Kenneth Sober
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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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) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |