Patent US4175879A successfully refreshed from Google Patents.
US4175879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toothbrush
Assignee: Individual
•
Filing: 1977-05-27
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Granted: 1979-11-27
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Expires: 1997-05-27
Abstract
Abstract In a toothbrush which comprises, as usual, a handle and a bristle-carrying portion at one end of said handle, there are provided water dispensing jets or bores in correspondence of said bristle-carrying portion, between the bristle tufts. Said jets or bores communicate with a water inlet connection member provided at the other end of the handle of the toothbrush, said water inlet connection member being connectable, by means of a flexible pipe and of an adaptable elastic joint, to a water tap or faucet.
Inventors
- 👤 Pietro Molinari
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:06
CPC Classifications
A; A46; A46B; A46B5/00; A46B11/00; A46B11/06; A46B11/063; A46B2200/00; A46B2200/10; A46B2200/1066
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
167 words
A toothbrush comprising (a) a handle having a portion carrying a plurality of rows of bristles at one end thereof, and a duct extending longitudinally through said handle; (b) at least two rows of water-dispensing bores in between said rows of bristles; (c) a water inlet connecting member being provided at the other end of said handle and communicating with said bore via said duct, said connecting member being connectable, by means of a flexible tube, to a water supply source; (d) said handle comprising first and second longitudinal plastic halves, the first said half having said at least two rows of bores between said rows of bristles, the second said half being designed for complementary fit with the first said half and having a longitudinal substantially centrally located rib extending continuously substantially the length of said rows of bores and abutting the first said half, whereby said duct is divided into two parallel ducts extending longitudinally below said bristle-carrying portion and separating said rows of bores.
Claim 2
Dependent Claim
167 words
A toothbrush comprising (a) a handle having a portion carrying a plurality of rows of bristles at one end thereof, and a duct extending longitudinally through said handle; (b) at least two rows of water-dispensing bores in between said rows of bristles; (c) a water inlet connecting member being provided at the other end of said handle and communicating with said bore via said duct, said connecting member being connectable, by means of a flexible tube, to a water supply source; (d) said handle comprising first and second longitudinal plastic halves, the first said half having said at least two rows of bores between said rows of bristles, the second said half being designed for complementary fit with the first said half and having a longitudinal substantially centrally located rib extending continuously substantially the length of said rows of bores and abutting the first said half, whereby said duct is divided into two parallel ducts extending longitudinally below said bristle-carrying portion and separating said rows of bores.
Claim 3
Dependent Claim
43 words
A toothbrush according to claim 1, in which said flexible tube is connected to said water supply source by means of funnel-shaped joint made of elastic material, so that it can be easily adapted to a said water supply source of any dimensions.
References Cited (Backward Citations)
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Cited
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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) | 1982-11-26 | 1983-05-28 | 1983-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-11-26 | 1987-05-28 | 1987-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-11-26 | 1991-05-28 | 1991-11-27 | $7700.00 | Window Closed / Lapsed |