Patent US3949765A successfully refreshed from Google Patents.
US3949765A
Expired / Lapsed
US
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Brush for use with hairdryers
Assignee: Individual
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Filing: 1974-10-15
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Granted: 1976-04-13
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Expires: 1994-10-15
Abstract
Abstract A brush has a support member which is provided with a plurality of apertures and which has at one side hook-shaped connectors for releasably fastening it across an opening of a hairdryer through which heated air is expelled. At the other side the carrier has tufts of bristles each of which tufts is composed of a number of shorter and softer bristles and at least one longer and harder bristle which projects beyond the shorter bristles. A combination of a hairdryer and the brush described above is also disclosed.
Inventors
- 👤 Joseph Vallis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:09
CPC Classifications
A; A46; A46B; A46B9/00; A46B9/06; A45; A45D; A45D20/00; A45D20/48; A45D20/50; A46B9/02; A46B9/023; A46B2200/00; A46B2200/10; A46B2200/104
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
76 words
A brush for use with an electric hairdryer, comprising a support member having two sides; connecting means at one of said sides for detachably connecting said member to a hairdryer in the path of heat emitted by the latter; and a plurality of tufts of bristles projecting from the other of said sides, said tufts each comprising a plurality of shorter softer bristles and at least one longer stiffer bristle which projects beyond said shorter bristles.
Claim 2
Dependent Claim
76 words
A brush for use with an electric hairdryer, comprising a support member having two sides; connecting means at one of said sides for detachably connecting said member to a hairdryer in the path of heat emitted by the latter; and a plurality of tufts of bristles projecting from the other of said sides, said tufts each comprising a plurality of shorter softer bristles and at least one longer stiffer bristle which projects beyond said shorter bristles.
Claim 3
Dependent Claim
36 words
A brush as defined in claim 1, wherein said member is provided with a plurality of apertures extending from said one to said other of said sides so as to permit passage of heated air therethrough.
Claim 4
Dependent Claim
57 words
A brush as defined in claim 1, wherein said member has a central slot extending from one to the other of said sides for passage of heated air through said slot, and at least one trough-shaped recess extending along each side of said slot; said tufts of bristles having lower end portions anchored in the respective recesses.
Claim 5
Dependent Claim
17 words
A brush as defined in claim 1, wherein at least said member is of synthetic plastic material.
Claim 6
Dependent Claim
17 words
A brush as defined in claim 1, wherein at least said bristles are of synthetic plastic material.
Claim 7
Dependent Claim
20 words
A brush as defined in claim 1, wherein said other side is arcuately recessed in direction towards said one side.
Claim 8
Dependent Claim
29 words
A brush as defined in claim 1, wherein all of said shorter bristles have a first identical length, and all of said second bristles have a longer identical length.
Claim 9
Dependent Claim
35 words
A brush as defined in claim 1; further comprising an additional bristle provided in each of said tufts and having a length corresponding to said shorter bristles, but being as stiff as said longer bristles.
Claim 10
Dependent Claim
122 words
In an electric hairdryer, a combination comprising a housing having an interior which is provided with an outlet opening; electric heating means in said interior; an electrically operated blower also in said interior and operative for expelling through said outlet opening a stream of air heated by said heating means; a brush having a carrier member one side of which faces said opening, and a plurality of tufts of bristles projecting from an opposite side of said member and each being composed of a plurality of shorter softer bristles and at least one longer stiffer bristle; and connecting means for releasably connecting said member with said housing in a position extending across said opening in the path of said stream of air.
Claim 11
Dependent Claim
122 words
In an electric hairdryer, a combination comprising a housing having an interior which is provided with an outlet opening; electric heating means in said interior; an electrically operated blower also in said interior and operative for expelling through said outlet opening a stream of air heated by said heating means; a brush having a carrier member one side of which faces said opening, and a plurality of tufts of bristles projecting from an opposite side of said member and each being composed of a plurality of shorter softer bristles and at least one longer stiffer bristle; and connecting means for releasably connecting said member with said housing in a position extending across said opening in the path of said stream of air.
Claim 12
Dependent Claim
23 words
A combination as defined in claim 9, wherein said connecting means comprises substantially L-shaped projections extending from said one side of said member.
Claim 13
Dependent Claim
21 words
A combination as defined in claim 9, wherein at least said carrier member of said brush is of synthetic plastic material.
Claim 14
Dependent Claim
20 words
A combination as defined in claim 9, wherein at least said bristles of said brush are of synthetic plastic material.
Claim 15
Dependent Claim
32 words
A combination as defined in claim 9, wherein said carrier member is provided with a plurality of apertures extending between said sides thereof for permitting the passage of said stream of air.
Claim 16
Dependent Claim
86 words
A brush for use with an electric hairdryer, comprising a support member having two sides; connecting means at one of said sides for detachably connecting said member to a hairdryer in the path of heat emitted by the latter; and a plurality of tufts of bristles projecting from the other of said sides, said tufts each comprising at least one long stiff bristle and a plurality of shorter softer bristles whose length ranges between substantially 1/2 and 3/4 of the length of said long stiff bristle.
Claim 17
Dependent Claim
86 words
A brush for use with an electric hairdryer, comprising a support member having two sides; connecting means at one of said sides for detachably connecting said member to a hairdryer in the path of heat emitted by the latter; and a plurality of tufts of bristles projecting from the other of said sides, said tufts each comprising at least one long stiff bristle and a plurality of shorter softer bristles whose length ranges between substantially 1/2 and 3/4 of the length of said long stiff bristle.
Claim 18
Dependent Claim
19 words
A brush as defined in claim 14, wherein said softer bristles comprise bristles of at least three different lengths.
Claim 19
Dependent Claim
31 words
A brush as defined in claim 14, wherein the length of said softer bristles ranges between substantially one-half and three-quarters of the length of said long stiff bristle in three graduations.
Claim 20
Dependent Claim
29 words
A brush as defined in claim 1, wherein all of said longer stiffer bristles of each tuft are surrounded by all of said shorter, softer bristles of each tuft.
References Cited (Backward Citations)
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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) | 1979-04-13 | 1979-10-13 | 1980-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-04-13 | 1983-10-13 | 1984-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-04-13 | 1987-10-13 | 1988-04-13 | $7700.00 | Window Closed / Lapsed |