Patent US3791391A successfully refreshed from Google Patents.
US3791391A
Expired / Lapsed
US
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Hair curler apparatus
Assignee: Individual
•
Filing: 1972-06-20
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Granted: 1974-02-12
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Expires: 1992-06-20
Abstract
Abstract Disposable hair curlers, made of plastic-coated paper, and intended to be disposed of after only one use. In a preferred embodiment, the curlers are supplied plurally in stick form, one curler at a time being broken from the stick of curlers for use.
Inventors
- 👤 D Weatherholt
- 👤 Reistino A Trombatore
- 👤 Z Prince
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:33
CPC Classifications
A; A45; A45D; A45D2/00; A45D2/12; A45D2/14; A45D2/146; A45D2/148
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
58 words
Multiple hair curler apparatus, comprising elongate tubular body means having plural end-to-end hair curlers formed along its length, said body means having breakable joint means between adjacent air curlers, whereby individual hair curlers may be broken from the ends of said body means and the entire length of said body means may be broken into individual hair curlers.
Claim 2
Dependent Claim
58 words
Multiple hair curler apparatus, comprising elongate tubular body means having plural end-to-end hair curlers formed along its length, said body means having breakable joint means between adjacent air curlers, whereby individual hair curlers may be broken from the ends of said body means and the entire length of said body means may be broken into individual hair curlers.
Claim 3
Dependent Claim
13 words
The combination of claim 1, said body means being formed of waterproof plastic.
Claim 4
Dependent Claim
16 words
The combination of claim 1, said body means being formed of waterproof plastic coated paper stock.
Claim 5
Dependent Claim
23 words
The combination of claim 3, the plastic coating on said paper stock being substantially deteriorated by one hair setting use of a curler.
Claim 6
Dependent Claim
17 words
The combination of claim 1, said individual hair curlers having wall perforations to provide ventilation during use.
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) | 1977-02-11 | 1977-08-13 | 1978-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-11 | 1981-08-13 | 1982-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-11 | 1985-08-13 | 1986-02-12 | $7700.00 | Window Closed / Lapsed |