US3350737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toothbrush with a divided pivotable brush
Assignee: Individual
•
Filing: 1967-05-12
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Granted: 1967-11-07
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Expires: 1987-05-12
Abstract
No abstract record available.
Inventors
- 👤 Makowsky Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:18
CPC Classifications
A; A46; A46B; A46B7/00; A46B7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
IN A TOOTHBRUSH WITH A DIVIDED BRUSH CONSISTING OF TWO CURVED BRISTLE HOLDERS HAVING THEIR ADJACENT INNER ENDS PIVOTABLY MOUNTED ON THE FORWARD END OF A HANDLE FOR COMMON ACTUATION BY A SLIDER THE COMBINATION OF THE FOLLOWING FEATURES: (A) EACH BRISTLE HOLDER IS FORMED AT ITS END ADJACENT THE OTHER BRISTLE HOLDER WITH A TOOTHED SEGMENT AND ON ITS BACK, WHICH CARRIES NO BRISTLES, WITH A HEADED SQUARE-SECTION STUD, (B) THE HANDLE IS FORMED AT ITS FORWARD END, CARRYING THE BRISTLE HOLDERS, WITH TWO BEARING RECESSES WITH DOVETAILED ENTRIES FOR THE RESILIENT RECEPTION THEREIN OF THE TWO HEADED SQUARE-SECTION STUDS, (C) THE SLIDER IS POSITIVELY SLIDABLY MOUNTED ON THE HANDLE AND FORMED WITH A FORWARDLY PROJECTING TWOSIDED RACK FOR ENGAGING IN THE TOOTHED SEGMENTS OF BOTH BRISTLE HOLDERS IN SUCH A MANNER THAT SLIDING DISPLACEMENT OF THE SLIDER ON THE HANDLE PRODUCES A 90* SNAP ACTION DEFLECTION IN CONTRARY DIRECTION OF THE TWO BRISTLE HOLDERS BY VIRTUE OF THE HEADED SQUARESECTION STUDS BEING FORCED TO ROTATE BETWEEN THE RESILIENTLY YIELDING SIDES OF THE BEARING RECESSES.
Claim 2
Dependent Claim
176 words
IN A TOOTHBRUSH WITH A DIVIDED BRUSH CONSISTING OF TWO CURVED BRISTLE HOLDERS HAVING THEIR ADJACENT INNER ENDS PIVOTABLY MOUNTED ON THE FORWARD END OF A HANDLE FOR COMMON ACTUATION BY A SLIDER THE COMBINATION OF THE FOLLOWING FEATURES: (A) EACH BRISTLE HOLDER IS FORMED AT ITS END ADJACENT THE OTHER BRISTLE HOLDER WITH A TOOTHED SEGMENT AND ON ITS BACK, WHICH CARRIES NO BRISTLES, WITH A HEADED SQUARE-SECTION STUD, (B) THE HANDLE IS FORMED AT ITS FORWARD END, CARRYING THE BRISTLE HOLDERS, WITH TWO BEARING RECESSES WITH DOVETAILED ENTRIES FOR THE RESILIENT RECEPTION THEREIN OF THE TWO HEADED SQUARE-SECTION STUDS, (C) THE SLIDER IS POSITIVELY SLIDABLY MOUNTED ON THE HANDLE AND FORMED WITH A FORWARDLY PROJECTING TWOSIDED RACK FOR ENGAGING IN THE TOOTHED SEGMENTS OF BOTH BRISTLE HOLDERS IN SUCH A MANNER THAT SLIDING DISPLACEMENT OF THE SLIDER ON THE HANDLE PRODUCES A 90* SNAP ACTION DEFLECTION IN CONTRARY DIRECTION OF THE TWO BRISTLE HOLDERS BY VIRTUE OF THE HEADED SQUARESECTION STUDS BEING FORCED TO ROTATE BETWEEN THE RESILIENTLY YIELDING SIDES OF THE BEARING RECESSES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |