US3744078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nailbrush
Assignee: Individual
•
Filing: 1971-07-14
•
Granted: 1973-07-10
•
Expires: 1991-07-14
Abstract
Abstract A nailbrush has a backing element from which a plurality of slender bristles project. The free tips of the bristles together define a cleaning face and the bristles are of differential length so that the cleaning face has a longitudinally extending depression and a plurality of transversely extending depressions with the former being deeper than the latter.
Inventors
- 👤 J Vallis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:47
CPC Classifications
A; A46; A46B; A46B9/00; A46B9/02; A46B2200/00; A46B2200/10; A46B2200/1006; A46B2200/1013; Y; Y10; Y10S; Y10S15/00; Y10S15/05
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
112 words
A nailbrush, comprising a backing element having a surface, a longitudinal and a transverse direction; and a plurality of slender bristles projecting from said surface and having free tips which together define a cleaning face, said bristles being of differential length and including longer and shorter bristles so arranged that said cleaning face is provided with at least one transverse depression and with a longitudinally extending depression whose depth and width is so selected that when the tip of a finger is inserted into said longitudinal depression the area under the fingernail will be cleaned by said shorter bristles and the area of the article will be cleaned by said longer bristles.
Claim 2
Dependent Claim
112 words
A nailbrush, comprising a backing element having a surface, a longitudinal and a transverse direction; and a plurality of slender bristles projecting from said surface and having free tips which together define a cleaning face, said bristles being of differential length and including longer and shorter bristles so arranged that said cleaning face is provided with at least one transverse depression and with a longitudinally extending depression whose depth and width is so selected that when the tip of a finger is inserted into said longitudinal depression the area under the fingernail will be cleaned by said shorter bristles and the area of the article will be cleaned by said longer bristles.
Claim 3
Dependent Claim
103 words
A nailbrush, comprising a backing element having a surface, a longitudinal and a transverse direction; and a plurality of slender bristles projecting from said surface and having outer end portions provided with free tips which together define a cleaning face, said bristles being of differential length and including longer and shorter bristles so arranged that said cleaning face is provided with at least one transverse depression and with a longitudinally extending depression into which a human finger tip is to be inserted, said outer end portions of said longer as well as of said shorter bristles all tapering to the respective free tips.
Claim 4
Dependent Claim
103 words
A nailbrush, comprising a backing element having a surface, a longitudinal and a transverse direction; and a plurality of slender bristles projecting from said surface and having outer end portions provided with free tips which together define a cleaning face, said bristles being of differential length and including longer and shorter bristles so arranged that said cleaning face is provided with at least one transverse depression and with a longitudinally extending depression into which a human finger tip is to be inserted, said outer end portions of said longer as well as of said shorter bristles all tapering to the respective free tips.
Claim 5
Dependent Claim
34 words
A nailbrush as defined in claim 1, wherein said cleaning face has two lateral margins extending in said longitudinal direction; and wherein said longitudinally extending depression is located substantially midway between said lateral margins.
Claim 6
Dependent Claim
29 words
A nailbrush as defined in claim 3; further comprising additional ones of said transversely extending depressions spaced from one another and the first-mentioned transverse depression in said longitudinal direction.
Claim 7
Dependent Claim
18 words
A nailbrush as defined in claim 1, wherein at least said backing element is of synthetic plastic material.
Claim 8
Dependent Claim
19 words
A nailbrush as defined in claim 1, wherein said backing element and said bristles are of synthetic plastic material.
References Cited (Backward Citations)
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Cited
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Cited
US2097987A
Cited
US2797424A
Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-09 | 1977-01-08 | 1977-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-09 | 1981-01-08 | 1981-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-09 | 1985-01-08 | 1985-07-10 | $7700.00 | Window Closed / Lapsed |