US4423531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible hairbrush
Assignee: PRO-FLEX GROUP
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Filing: 1982-09-27
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Granted: 1984-01-03
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Expires: 2002-09-27
Abstract
Abstract A hairbrush has a pair of rigid side members and a flexible bristle plate disposed therebetween. A first face of the bristle plate has bristles extendingly outwardly therefrom. The side members include means for selectively manipulating the brush to flex the first face of the bristle plate into a concave or a convex position.
Inventors
- 👤 Albert Wall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:12
CPC Classifications
A; A46; A46B; A46B15/00; A46B15/0002; A46B15/0051; A46B3/00; A46B3/005; A46B5/00; A46B5/002; A46B5/0025; A46B5/02; A46B7/00; A46B7/02; A46B2200/00; A46B2200/10; A46B2200/104
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
156 words
A hairbrush comprising: a generally planar bristle plate having a first face, a pair of first longitudinal edges and a plurality of bristles extending outwardly from said first face; a pair of members in a facing relationship with respect to each other, each of said members including a first portion, a second portion and a third portion interposed said first portion and said second portion, said first portion of each of said members being engageable with a different one of each of said lateral edges, said second portion of each of said members together defining a handle dimensioned to be received in a palm of a hand, said third portion of each of said members having means for selectively manipulating said members in a first direction and in a second direction, said first face being concave when said members are manipulated in said first direction and convex when said members are manipulated in said second direction.
Claim 2
Dependent Claim
156 words
A hairbrush comprising: a generally planar bristle plate having a first face, a pair of first longitudinal edges and a plurality of bristles extending outwardly from said first face; a pair of members in a facing relationship with respect to each other, each of said members including a first portion, a second portion and a third portion interposed said first portion and said second portion, said first portion of each of said members being engageable with a different one of each of said lateral edges, said second portion of each of said members together defining a handle dimensioned to be received in a palm of a hand, said third portion of each of said members having means for selectively manipulating said members in a first direction and in a second direction, said first face being concave when said members are manipulated in said first direction and convex when said members are manipulated in said second direction.
Claim 3
Dependent Claim
70 words
A hairbrush in accordance with claim 1 which further includes: a generally elongated planar member having a first end portion, a second end portion and a pair of second longitudinal edges, each of said second edges being in engagement with said second portion of a different one of said members; and a pair of guides extending outwardly from said first end portion and being in engagement with said bristle plate.
Claim 4
Dependent Claim
82 words
A hairbrush in accordance with claim 2 wherein each of said pair of members has a first longitudinal channel disposed in said first portion thereof and a second longitudinal channel disposed in said second portion thereof, and all of said bristle plate, said planar member and said guides are of unitary construction, said first longitudinal edges and said second longitudinal edges being dimensional to be received in said first channel and said second channel of a different one of said members, respectively.
Claim 5
Dependent Claim
37 words
A hairbrush in accordance with claim 3 wherein said first longitudinal edges and said second longitudinal edges are in rotatable engagement with said first channel and said second channel with a different one of said members, respectively.
Claim 6
Dependent Claim
41 words
A hairbrush in accordance with claim 3 wherein said first longitudinal edges and said second longitudinal edges are in linear slideable engagement in said first channel and said second channel of each of said pair of members, respectively, and removable therefrom.
Claim 7
Dependent Claim
14 words
A hairbrush in accordance with claim 2 wherein said brush is of unitary construction.
Claim 8
Dependent Claim
43 words
A hairbrush in accordance with claim 6 wherein selected ones of said first and said second longitudinal edges have a spherical end portion, said pair of members being adapted for lockingly receiving said spherical end portion of said selected ones of said edges.
Claim 9
Dependent Claim
30 words
A hairbrush in accordance with claim 1 which further includes: a locking device received by said handle for selectively locking said handle in said first position or said second position.
Claim 10
Dependent Claim
21 words
A hairbrush in accordance with claim 1 wherein said bristles define a plurality of rows generally parallel to said longitudinal edges.
Claim 11
Dependent Claim
23 words
A hairbrush in accordance with claim 9 wherein said bristles are arranged in said rows to interleave when said first face if concave.
Claim 12
Dependent Claim
24 words
A hairbrush in accordance with claim 10 wherein said bristles in a middle row have twice as many teeth as bristles in other rows.
Claim 13
Dependent Claim
23 words
A hairbrush in accordance with claim 11 wherein said bristles in each outer row have twice as many bristles as in intermediate rows.
Claim 14
Dependent Claim
40 words
A hairbrush in accordance with claim 12 wherein said bristles in said intermediate rows are laterally staggered from each other, said bristles being arranged to positively grab hair upon said bristles interleaving when said brush is in said concave position.
Claim 15
Dependent Claim
65 words
A hairbrush in accordance with claim 10 wherein said third portion of one of said pair of members includes a guide pin and said third portion of an other of said members includes a receptacle for receiving said guide pin, each of said guide pin and said receptacle when engaged with, each other maintaining alignment of each of said pair of members to each other.
Claim 16
Dependent Claim
73 words
A hairbrush in accordance with claim 14 wherein said receptacle includes a cylinder having a bore and being axially extended upwardly from said other of said pair of members, said bore being dimensioned to receive said guide pin, said cylinder having an upper end contactable with said one of said pair of members when said first faces in an extreme concave position to space said bristles at their ends from said first face.
Claim 17
Dependent Claim
25 words
A hairbrush in accordance with claim 9 wherein said bristle plate further has a plurality of openings therethrough, said openings being disposed between said rows.
Claim 18
Dependent Claim
40 words
A hairbrush in accordance with claim 16 wherein said bristle plate further has a second face and a plurality of arcuate ribs disposed on said second face, each of said ribs being disposed underneath a different one of said rows.
Claim 19
Dependent Claim
52 words
A hairbrush in accordance with claim 9 wherein said bristle plate further has a second face and a plurality of wedged shaped ribs disposed on said second face, each of said ribs being disposed underneath a different one of said rows, said ribs being arranged to deflect forced air through said openings.
Claim 20
Dependent Claim
36 words
A hairbrush in accordance with claim 9 wherein said first portion of each of said pair of members has a longitudinal fin extending downwardly therefrom, said fin being arranged to deflect forced air toward said openings.
References Cited (Backward Citations)
FR954436A
Cited
US2795807A
Cited
US2963729A
Cited
US3739419A
Cited
US3727260A
Cited
US4057867A
Cited
US4030158A
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 |