US3981313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair dryer concentrator
Assignee: P&G Hair Care Holding Inc
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Filing: 1975-04-28
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Granted: 1976-09-21
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Expires: 1995-04-28
Abstract
Abstract A concentrator for airflow hair dryers having a comb or similar attachment mounted within the air outlet and selectively positionable in multiple positions to precede the airflow, follow the airflow, or to divide the airflow discharging from the concentrator outlet.
Inventors
- 👤 Frederick A. Burke
- 👤 Douglas A. Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:17
CPC Classifications
A; A45; A45D; A45D20/00; A45D20/52
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
66 words
A concentrator for airflow hair dryers comprising a housing having an inlet and a terminal outlet for a flow of air therethrough, said terminal outlet being of a size less than said inlet, a hair-engaging member, means for mounting said hair-engaging member adjacent said terminal outlet, and positioning means for selectively positioning said hair engaging member in plural hair-engaging positions in relation to said terminal outlet.
Claim 2
Dependent Claim
66 words
A concentrator for airflow hair dryers comprising a housing having an inlet and a terminal outlet for a flow of air therethrough, said terminal outlet being of a size less than said inlet, a hair-engaging member, means for mounting said hair-engaging member adjacent said terminal outlet, and positioning means for selectively positioning said hair engaging member in plural hair-engaging positions in relation to said terminal outlet.
Claim 3
Dependent Claim
31 words
A concentrator as set forth in claim 1 in which said hair-engaging member is positioned at least partly within said terminal outlet, and at least one intermediate outlet in said housing.
Claim 4
Dependent Claim
36 words
A concentrator as set forth in claim 2 in which said positioning means comprises pivot means including a pair of opposed pivot sockets in said housing and a pair of pivot members on said hair-engaging member.
Claim 5
Dependent Claim
21 words
A concentrator as set forth in claim 3 in which the pivot sockets each include a pair of spaced resilient members.
Claim 6
Dependent Claim
41 words
A concentrator as set forth in claim 4 in which said resilient members have opposed recesses, positioned to receive a pivot member therebetween and a fixed member intermediate said resilient members and positioned to engage a portion of said hair-engaging member.
Claim 7
Dependent Claim
51 words
A concentrator as set forth in claim 5 in which said positioning means includes detent means in said housing, said detent means including a plurality of detents spaced from said pivot sockets and from each other, and at least one detent member on said hair-engaging member positioned to engage said detents.
Claim 8
Dependent Claim
48 words
A concentrator as set forth in claim 6 in which said pivot members are circular, said fixed member of each pivot socket each has an arcuate recess, said recesses in said resilient members are arcuate, and the recesses of each pivot socket substantially coincide with a common circle.
Claim 9
Dependent Claim
22 words
A concentrator as set forth in claim 7 in which said housing, pivot sockets and detents are molded as a single unit.
Claim 10
Dependent Claim
15 words
A concentrator as set forth in claim 8 in which said detents are V shaped.
Claim 11
Dependent Claim
17 words
A concentrator as set forth in claim 6 in which said detents are parallel to each other.
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) | 1979-09-21 | 1980-03-22 | 1980-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-09-21 | 1984-03-22 | 1984-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-09-21 | 1988-03-22 | 1988-09-21 | $7700.00 | Window Closed / Lapsed |