US3970093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treatment and care of the hair
Assignee: LARDENOIS ETS
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Filing: 1975-02-05
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Granted: 1976-07-20
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Expires: 1995-02-05
Abstract
Abstract A hair treating device comprises a hollow housing to which is affixed an air-cushioned type brush comprising an elastically deformable base which covers an opening in the housing and supports a plurality of external heat conducting teeth. The housing is provided with means for heating and directing a stream of air to the opening covered by the base, which is provided with suitable openings to permit the heated air to be directed towards the teeth of the brush.
Inventors
- 👤 Robert A. Lardenois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:19
CPC Classifications
A; A45; A45D; A45D20/00; A45D20/48; A45D20/50
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
73 words
A hair treating device comprising a housing, heating means disposed within said housing, an air-cushion type brush mounted upon said housing, said air-cushion type brush having a convex piece made of an elastically deformable material supporting a plurality of external teeth made of heat-conducting material, hole means mounted upon said housing and means for directing heated air from said housing through said hole means towards said teeth of the air cushion type brush.
Claim 2
Dependent Claim
73 words
A hair treating device comprising a housing, heating means disposed within said housing, an air-cushion type brush mounted upon said housing, said air-cushion type brush having a convex piece made of an elastically deformable material supporting a plurality of external teeth made of heat-conducting material, hole means mounted upon said housing and means for directing heated air from said housing through said hole means towards said teeth of the air cushion type brush.
Claim 3
Dependent Claim
78 words
A hair treating device comprising a housing provided with an opening, heating means disposed within said housing, an air-cushion type brush having a convex piece made of an elastically deformable material supporting a plurality of external teeth made of heat conducting material, said convex piece closing said opening and being pierced with holes, and means for directing heated air from said housing through said holes of said convex piece towards said teeth of the air cushion type brush.
Claim 4
Dependent Claim
78 words
A hair treating device comprising a housing provided with an opening, heating means disposed within said housing, an air-cushion type brush having a convex piece made of an elastically deformable material supporting a plurality of external teeth made of heat conducting material, said convex piece closing said opening and being pierced with holes, and means for directing heated air from said housing through said holes of said convex piece towards said teeth of the air cushion type brush.
Claim 5
Dependent Claim
23 words
A hair treating device according to claim 2, wherein said convex piece is pierced with a plurality of holes distributed between said teeth.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-07-20 | 1980-01-19 | 1980-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-07-20 | 1984-01-19 | 1984-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-07-20 | 1988-01-19 | 1988-07-20 | $7700.00 | Window Closed / Lapsed |