US3188673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toothbrush
Assignee: Pro Phy Lac Tic Brush Co
•
Filing: 1964-03-04
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Granted: 1965-06-15
•
Expires: 1984-03-04
Abstract
No abstract record available.
Inventors
- 👤 Newman Joel Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:53
CPC Classifications
A; A46; A46B; A46B9/00; A46B9/02; A46B9/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
TOOTHBRUSH COMPRISING A BRUSH BACK WITH A HANDLE EXTENDING THEREFROM, A BRISTLE BLOCK IN THE FORM OF A PLURALITY OF TUFTS EXTENDING FROM THE BRISTLE BLOCK AND ARRANGED IN PARALLEL ROWS OF DIFFERENT LENGTH EXTENDING TRANSVERSELY OF THE HANDLE FORMING AN UNDULATE SURFACE OF ALTERNATE RIDGES AND CONCAVE SURFACES, THE OUTER ENDS OF THE FILAMENTS OF THE RIDGE FORMING TUFTS LYING IN SUBSTANTIALLY THE SAME PLANE AND THE CONCAVE SURFACES BETWEEN EACH OF SAID RIDGE FORMING TUFTS BEING PROVIDED BY A PLURALITY OF ROWS OF TUFTS, HAVING THEIR OUTER ENDS LYING IN A CONCAVE CURVATURE ESSENTIALLY THE INVERSE OF THE HUMAN DENTAL CONTOUR, THE RIDGE FORMING TUFTS BEING COMPOSED OF FILAMENTS OF SUFFICIENTLY GREATER DIAMETER THAN THE FILAMENTS OF THE REMAINING TUFTS OF THE BRISTLE BLOCK SO THAT THE BRISTLE BLOCK IS CHARACTERIZED BY A SUBSTANTIALLY UNIFORM FLEXURE.
Claim 2
Dependent Claim
138 words
TOOTHBRUSH COMPRISING A BRUSH BACK WITH A HANDLE EXTENDING THEREFROM, A BRISTLE BLOCK IN THE FORM OF A PLURALITY OF TUFTS EXTENDING FROM THE BRISTLE BLOCK AND ARRANGED IN PARALLEL ROWS OF DIFFERENT LENGTH EXTENDING TRANSVERSELY OF THE HANDLE FORMING AN UNDULATE SURFACE OF ALTERNATE RIDGES AND CONCAVE SURFACES, THE OUTER ENDS OF THE FILAMENTS OF THE RIDGE FORMING TUFTS LYING IN SUBSTANTIALLY THE SAME PLANE AND THE CONCAVE SURFACES BETWEEN EACH OF SAID RIDGE FORMING TUFTS BEING PROVIDED BY A PLURALITY OF ROWS OF TUFTS, HAVING THEIR OUTER ENDS LYING IN A CONCAVE CURVATURE ESSENTIALLY THE INVERSE OF THE HUMAN DENTAL CONTOUR, THE RIDGE FORMING TUFTS BEING COMPOSED OF FILAMENTS OF SUFFICIENTLY GREATER DIAMETER THAN THE FILAMENTS OF THE REMAINING TUFTS OF THE BRISTLE BLOCK SO THAT THE BRISTLE BLOCK IS CHARACTERIZED BY A SUBSTANTIALLY UNIFORM FLEXURE.
References Cited (Backward Citations)
US1059426A
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US2040245A
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US2797424A
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US2978724A
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US3120670A
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US3103679A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |