Patent US3816940A successfully refreshed from Google Patents.
US3816940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair dryer
Assignee: United Commodities Inc
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Filing: 1972-10-16
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Granted: 1974-06-18
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Expires: 1992-10-16
Abstract
Abstract A hair-drying apparatus for long hair and/or the hair on the scalp of a user''s head in which suction-blower means communicate with justapositionable manifolds forming an elongated chamber for receiving hair herebetween and the hair is laid down so that split hairs are laid down due to the natural movement of the air, the apparatus incorporating filtering and heating means and including an air scoop communicating with one of the manifolds and a head-manifold for drying hair on the scalp; and means for adjusting the head-manifold to the position of a user.
Inventors
- 👤 H Cournoyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:02
CPC Classifications
A; A45; A45D; A45D20/00; A45D20/44
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
31 words
The structure as claimed in claim 1 in which said first manifold is hinged to said housing on a horizontal pivot axis at an outer, lower portion of said second manifold.
Claim 2
Dependent Claim
36 words
The structure as claimed in claim 1 in which said housing member and second manifold includes a contoured stop track- and abutment for limiting the pivotal movement of said second manifold relative to said first manifold.
Claim 3
Dependent Claim
24 words
The structure as claimed in claim 1 including expansible conduit means connected between said second manifold and the outlet portion of said suction-blower means.
Claim 4
Dependent Claim
30 words
The structure as claimed in claim 1 including air-filter means, interposed between said first manifold and said inlet portion for catching loose hair and the like as hair is dried.
Claim 5
Dependent Claim
26 words
The structure as claimed in claim 1 in which said first manifold includes a contoured upper edge portion for accomodating the nape of a user''s neck.
Claim 6
Dependent Claim
29 words
The structure as claimed in claim 1 including heater means in said housing member intermediately of said suction-blower outlet and said second manifold for tempering the air passing therebetween.
Claim 7
Dependent Claim
37 words
The structure as claimed in claim 1 including head hood means communicating with and receiving a portion of air forced through said second manifold and including a foraminous head-manifold for drying the hair on a user''s head.
Claim 8
Dependent Claim
19 words
The structure as claimed in claim 8 including extendable conduit means connecting said head-hood manifold to said second manifold.
Claim 9
Dependent Claim
27 words
The structure as claimed in claim 9 including an extensible retraction-spring assembly operatively connected to said extensible conduit means for facilitating adjustment of said extensible conduit means.
Claim 10
Dependent Claim
37 words
The structure as claimed in claim 8 including an inlet scoop depending into said second manifold and connected to said head-hood manifold, said inlet scoop having an opening directed towards the outlet portion of said suction-blower means.
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) | 1977-06-17 | 1977-12-17 | 1978-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-17 | 1981-12-17 | 1982-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-17 | 1985-12-17 | 1986-06-18 | $7700.00 | Window Closed / Lapsed |