US4757571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Finger and nail brush
Assignee: Individual
•
Filing: 1986-04-18
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Granted: 1988-07-19
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Expires: 2006-04-18
Abstract
Abstract The specification teaches a method of applying contact lenses to human eyes by sensitizing the fingers and applying the lenses to the eyes by sense of touch. Also taught are several preferred embodiments of means for sensitizing and cleaning the fingers without liquid or cleansing chemical, wherein a base having two faces provided with abrasion means, e.g., brush bristles or nylon fiber pod, preferably trough shaped and with means for gripping the base, are provided.
Inventors
- 👤 Sidney F. Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:01
CPC Classifications
A; A46; A46B; A46B9/00; A46B9/02; A46B5/00; A46B2200/00; A46B2200/10; A46B2200/1006; A46B2200/1013
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
100 words
A finger and nail brush comprising: a. a block base having first and second opposing sides and third and fourth opposing sides; b. means defining troughs in said first and second opposing sides; c. bristles set into said first and second opposing sides; d. means defining a pair of cooperating ramps and a slip resistant surface on each of said opposing third and fourth sides; wherein each of said pair of ramps slope inwardly from the surface of each of said third and fourth opposing sides from said slip resistant surface area to the end of each of said sides.
Claim 2
Dependent Claim
100 words
A finger and nail brush comprising: a. a block base having first and second opposing sides and third and fourth opposing sides; b. means defining troughs in said first and second opposing sides; c. bristles set into said first and second opposing sides; d. means defining a pair of cooperating ramps and a slip resistant surface on each of said opposing third and fourth sides; wherein each of said pair of ramps slope inwardly from the surface of each of said third and fourth opposing sides from said slip resistant surface area to the end of each of said sides.
Claim 3
Dependent Claim
20 words
The brush of claim 1 wherein said slip resistant surface means comprises ridges formed in said third and fourth sides.
Claim 4
Dependent Claim
25 words
The finger and nail brush of claim 1 with the addition of apertures extending through said block base from said third to said fourth sides.
Claim 5
Dependent Claim
109 words
A finger and nail brush comprising: a. a base having first and second opposing sides and third and fourth opposing sides; b. bristles set into said first and second opposing sides; c. said bristles cut to lengths defining a trough in each set of bristles on said first and second opposing sides; d. means defining a pair of cooperating ramps and a slip resistant surface on each of said opposing third and fourth sides; wherein each of said pair of ramps slope inwardly from the surface of each of said third and fourth opposing sides from said slip resistant surface area to the end of each of said sides.
Claim 6
Dependent Claim
109 words
A finger and nail brush comprising: a. a base having first and second opposing sides and third and fourth opposing sides; b. bristles set into said first and second opposing sides; c. said bristles cut to lengths defining a trough in each set of bristles on said first and second opposing sides; d. means defining a pair of cooperating ramps and a slip resistant surface on each of said opposing third and fourth sides; wherein each of said pair of ramps slope inwardly from the surface of each of said third and fourth opposing sides from said slip resistant surface area to the end of each of said sides.
Claim 7
Dependent Claim
20 words
The brush of claim 4 wherein said slip resistant surface means comprises ridges formed in said third and fourth sides.
Claim 8
Dependent Claim
25 words
The finger and nail brush of claim 4 with the addition of apertues extending through said block base from said third to said fourth sides.
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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) | 1991-07-19 | 1992-01-18 | 1992-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-07-19 | 1996-01-18 | 1996-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-07-19 | 2000-01-18 | 2000-07-19 | $7700.00 | Window Closed / Lapsed |