US4259761A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toothbrush
Assignee: Individual
•
Filing: 1978-06-01
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Granted: 1981-04-07
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Expires: 1998-06-01
Abstract
Abstract A gripping construction of a toothbrush handle consisting of opposed substantially rectangular-block shaped flanges of approximate dimensions as of the dimensions of the handle in cross section and positioned about one third the distance from the brush head end (or about two and one half inches) and extending vertically and transversely at one hundred and eighty degrees to the top and bottom surfaces of the handle to form a cross-arm therewith whereby principally the side edges of the cross-arm and the front and back surfaces of the flanges allow the forefinger and thumb to press opposingly to effectively grip the brush for better manipulation of it.
Inventors
- 👤 Redmond B. Earle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:44
CPC Classifications
A; A46; A46B; A46B5/00; A46B5/02; A46B5/028; A46B2200/00; A46B2200/10; A46B2200/1066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A toothbrush comprising an elongated handle and a bristle head, said handle having a longitudinal axis, said handle having a top surface, a bottom surface, and two edge surfaces and being substantially rectangular in cross-section, said handle having a removeable gripping section comprising two directly opposed flanges, each flange lying flatly on said top and bottom surfaces, respectively, each flange being equally dimensioned and being rectangular in cross-section throughout and extending transverse to the axis of the handle, bolt means on each end of said flanges for fixing said flanges to each other and to said handle, said flanges being fixed to said handle at about one third distance from the bristle head end of the toothbrush, whereby broad gripping surfaces are provided on the sides and ends of said flanges for the forefinger and thumb of the user.
Claim 2
Dependent Claim
139 words
A toothbrush comprising an elongated handle and a bristle head, said handle having a longitudinal axis, said handle having a top surface, a bottom surface, and two edge surfaces and being substantially rectangular in cross-section, said handle having a removeable gripping section comprising two directly opposed flanges, each flange lying flatly on said top and bottom surfaces, respectively, each flange being equally dimensioned and being rectangular in cross-section throughout and extending transverse to the axis of the handle, bolt means on each end of said flanges for fixing said flanges to each other and to said handle, said flanges being fixed to said handle at about one third distance from the bristle head end of the toothbrush, whereby broad gripping surfaces are provided on the sides and ends of said flanges for the forefinger and thumb of the user.
References Cited (Backward Citations)
US2835912A
Cited
US3968950A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-04-06 | 1984-10-06 | 1985-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-04-06 | 1988-10-06 | 1989-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-04-06 | 1992-10-06 | 1993-04-07 | $7700.00 | Window Closed / Lapsed |