Patent US3670459A successfully refreshed from Google Patents.
US3670459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined abrading, scraping and poking implement
Assignee: WASO Ltd
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Filing: 1971-04-02
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Granted: 1972-06-20
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Expires: 1991-04-02
Abstract
Abstract The invention concerns an aid for the user of a vehicle, the aid comprising a hand tool having an abrasive surfaced channel for treating a wiper blade and further having means suitable for cleaning dirt from a washer nozzle, the means comprising a wire carried by a slider movable between an operational position where an end portion of the wire protrudes from the tool and a stowed position within the confines of the tool and vice versa.
Inventors
- 👤 Derek Edwin Welton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:48
CPC Classifications
B; B24; B24D; B24D15/00; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/32; B60S1/38; B60S2001/3846
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
107 words
A hand tool comprising: a body; edge portions of the body being shaped to define a channel to receive a windscreen wiper blade; abrasive means on opposed surfaces of the channel for abrading the edge and sides of the blade; nozzle cleaning means, said means comprising: a stiff wire; and a slider carrying said wire; parts of said body being shaped to define a guideway for said wire and said slider to permit movement of said wire from a stowed position in which the wire lies within the confines of the body to an operative position where an end portion of the wire protrudes from the body.
Claim 2
Dependent Claim
107 words
A hand tool comprising: a body; edge portions of the body being shaped to define a channel to receive a windscreen wiper blade; abrasive means on opposed surfaces of the channel for abrading the edge and sides of the blade; nozzle cleaning means, said means comprising: a stiff wire; and a slider carrying said wire; parts of said body being shaped to define a guideway for said wire and said slider to permit movement of said wire from a stowed position in which the wire lies within the confines of the body to an operative position where an end portion of the wire protrudes from the body.
Claim 3
Dependent Claim
31 words
A tool according to claim 1, wherein said channel is of V-shaped cross-section, said abrasive means being constituted by a sheet of abrasive material on the internal surface of such channel.
Claim 4
Dependent Claim
30 words
A tool according to claim 1, wherein said body has at least one straight edge portion suitable for removal of ice, frost or water from a window or other area.
Claim 5
Dependent Claim
39 words
A tool according to claim 1, wherein said body id shaped to define a second channel, the side walls of such second channel being provided with means for scraping ice from a windscreen wiper blade drawn through such channel.
Claim 6
Dependent Claim
65 words
A tool according to claim 4, wherein said second channel is of substantially U-shaped cross-section and said scraping means comprise a plurality of protuberances which extend from opposite side walls of the channel so that both sides of the wiper blade may be cleared of ice simultaneously on movement of the hand tool along the blade after the latter has been located in the channel.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
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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) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |