US3707155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expandable hair curler
Assignee: Individual
•
Filing: 1972-01-24
•
Granted: 1972-12-26
•
Expires: 1992-01-24
Abstract
Abstract Disclosed herein is an expandable and contractable hair curler.
Inventors
- 👤 Alfred A Lemberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:24
CPC Classifications
A; A45; A45D; A45D2/00; A45D2/12; A45D2/14
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
95 words
An expandable hair curler comprising, a hair curler, said curler having a hollow barrel, said barrel having longitudinal side walls, a curler expanding rod for insertion into said barrel for forcing at least a pOrtion of said longitudinal walls outwardly, said barrel having at least one annular groove at each end, a curler retaining clip, said clip having a collar at each end thereof and at least two sides connecting said collars, one to the other, said collars engageable with said annular grooves in said barrel, and means for forcing said sides toward each other.
Claim 2
Dependent Claim
95 words
An expandable hair curler comprising, a hair curler, said curler having a hollow barrel, said barrel having longitudinal side walls, a curler expanding rod for insertion into said barrel for forcing at least a pOrtion of said longitudinal walls outwardly, said barrel having at least one annular groove at each end, a curler retaining clip, said clip having a collar at each end thereof and at least two sides connecting said collars, one to the other, said collars engageable with said annular grooves in said barrel, and means for forcing said sides toward each other.
Claim 3
Dependent Claim
23 words
The curler of claim 1 wherein said side walls of said barrel taper from each end of said barrel toward the middle thereof.
Claim 4
Dependent Claim
48 words
The curler of claim 2 wherein said curler expanding rod adapted to be inserted into said barrel has a diameter substantially equal to the diameter of the interior of said barrel at the ends thereof and greater than the interior diameter of said barrel at the middle thereof.
Claim 5
Dependent Claim
15 words
The curler of claim 3 wherein said barrel has apertures in the side walls thereof.
Claim 6
Dependent Claim
17 words
The curler of claim 4 wherein said sides connecting said collars are substantially parallel to one another.
Claim 7
Dependent Claim
21 words
The curler of claim 5 wherein said means for forcing said sides toward each other includes at least one retaining strip.
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) | 1975-12-26 | 1976-06-26 | 1976-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-26 | 1980-06-26 | 1980-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-26 | 1984-06-26 | 1984-12-26 | $7700.00 | Window Closed / Lapsed |