Patent US4424036A successfully refreshed from Google Patents.
US4424036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-splash cup for dental prophylaxis
Assignee: Lifetech Systems Inc
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Filing: 1982-03-18
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Granted: 1984-01-03
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Expires: 2002-03-18
Abstract
Abstract An anti-splash device for attachment to a dental tool having apparatus for delivering water from the head thereof during use, comprising an elongated, hollow member and a member for securing said hollow member to the head of said dental tool, said hollow member being adapted to surround and be spaced apart from said water delivery apparatus.
Inventors
- 👤 Oddvin Lokken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:33
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/005
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
99 words
An anti-splash device for attachment to a dental prophylaxis tool having a dental prophylaxis member and means for delivering water from the head thereof during use, comprising an elongated, hollow tubular member and means for securing said hollow tubular member to the head of said dental tool in such a manner that the entire extent of said hollow tubular member is spaced apart from said head and is spaced apart from and surrounds said water delivery means, whereby the dental prophylaxis treatment may be observed through the space between said head and the top of said hollow tubular member.
Claim 2
Dependent Claim
99 words
An anti-splash device for attachment to a dental prophylaxis tool having a dental prophylaxis member and means for delivering water from the head thereof during use, comprising an elongated, hollow tubular member and means for securing said hollow tubular member to the head of said dental tool in such a manner that the entire extent of said hollow tubular member is spaced apart from said head and is spaced apart from and surrounds said water delivery means, whereby the dental prophylaxis treatment may be observed through the space between said head and the top of said hollow tubular member.
Claim 3
Dependent Claim
14 words
The device according to claim 1, wherein said elongated, hollow member is generally cylindrical.
Claim 4
Dependent Claim
18 words
The device according to claim 1, wherein said elongated, hollow member flares outwardly from the longitudinal axis thereof.
Claim 5
Dependent Claim
13 words
The device according to claim 3, wherein said elongated, hollow member is frustoconical.
Claim 6
Dependent Claim
23 words
The device according to claim 1, wherein said securing means is a clip means carried by one end of said elongated, hollow member.
Claim 7
Dependent Claim
17 words
The device according to claim 1, wherein said elongated hollow member is integral with said securing means.
Claim 8
Dependent Claim
115 words
An antisplash device for attachment to a dental prophylaxis tool having a dental prophylaxis member and means for delivering water from the head thereof during use, comprising an elongated, hollow inverted cup having a neck portion and an integral, flexible, open skirt portion extending outwardly and downwardly from said neck portion and defining an open bell-shaped chamber spaced apart from said water delivery means within said skirt portion, said neck portion having a central bore therethrough extending into said chamber and being adapted to fit onto said head of said dental tool, at least that part of said skirt portion adjacent said neck portion being transparent to enable the dental prophylaxis treatment to be viewed.
Claim 9
Dependent Claim
115 words
An antisplash device for attachment to a dental prophylaxis tool having a dental prophylaxis member and means for delivering water from the head thereof during use, comprising an elongated, hollow inverted cup having a neck portion and an integral, flexible, open skirt portion extending outwardly and downwardly from said neck portion and defining an open bell-shaped chamber spaced apart from said water delivery means within said skirt portion, said neck portion having a central bore therethrough extending into said chamber and being adapted to fit onto said head of said dental tool, at least that part of said skirt portion adjacent said neck portion being transparent to enable the dental prophylaxis treatment to be viewed.
Claim 10
Dependent Claim
13 words
The device according to claim 7, wherein said entire skirt portion is transparent.
Claim 11
Dependent Claim
12 words
The device according to claim 7, wherein said skirt portion is convex.
Claim 12
Dependent Claim
44 words
The device according to claim 7, wherein said skirt portion includes a flat annular part having an inner and an outer perimeter, said annular part being integral with said neck portion at said inner perimeter, and a curved part depending from said outer perimeter.
Claim 13
Dependent Claim
16 words
The device according to claim 7, wherein said skirt has at least one circumferentially pleat therein.
Claim 14
Dependent Claim
11 words
The device according to claim 7, wherein said skirt is frustoconical.
Claim 15
Dependent Claim
13 words
The device according to claim 7, wherein said skirt is made of plastic.
Claim 16
Dependent Claim
13 words
The device according to claim 7, wherein said skirt is made of rubber.
Claim 17
Dependent Claim
29 words
The device according to claim 7, including strap means in the form of an inverted U extending outwardly and upwardly from said neck portion for gripping said dental tool.
References Cited (Backward Citations)
US2731722A
Cited
DE2024656A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-01-02 | 1987-07-04 | 1988-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-01-02 | 1991-07-04 | 1992-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-01-02 | 1995-07-04 | 1996-01-03 | $7700.00 | Window Closed / Lapsed |