Patent US3221753A successfully refreshed from Google Patents.
US3221753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair styling roller with rotating hair clamps
Assignee: CADOLIN Inc
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Filing: 1962-06-14
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Granted: 1965-12-07
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Expires: 1982-06-14
Abstract
No abstract record available.
Inventors
- 👤 Edward A Zielinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:50
CPC Classifications
A; A45; A45D; A45D2/00; A45D2/12; A45D2/24; A45D2/2457
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
267 words
IN A HAIR STYLING FORM, A PAIR OF INNER ROLLERS AND AN OUTER ROLLER JOURNALLED THEREON, SAID INNER ROLLERS BEING POSITIONED GENERALLY COAXIALLY WITH SAID OUTER ROLLER, SAID INNER ROLLERS HAVING EXTERNAL DIAMETERS CONFORMING CLOSELY TO THE INTERNAL DIAMETER OF SAID OUTER ROLLER, SAID OUTER ROLLER BEING FORMED AND ADAPTED FOR THE STYLING OF HUMAN HAIR THEREON, SAID OUTER ROLLER HAVING AN EXTERNAL SURFACE WITH A SUBSTANTIALLY UNIFORM DIAMETER FROM ONE END TO THE OTHER, SAID INNER ROLLERS BEING MOVABLE AXIALLY OF SAID OUTER ROLLER BETWEEN POSITIONS EXTENDED OUTWARDLY AND AWAY FROM THE ENDS OF SID OUTER ROLLER AND POSITIONS WITHDRAWN WITHIN SAID OUTER ROLLERS, A SHAFT POSITIONED INTERNALLY OF SAID OUTER ROLLER AND EXTENDING ALONG THE AXIS THEREOF, SAID OUTER ROLLER HAVING INTERNAL SUPPORT MEANS FOR SUPPORTING SAID SHAFT IN SAID POSITION, SAID INNER ROLLERS BEING SLIDABLY MOUNTED ON SAID SHAFT, SAID SHAFT AND SAID INNER ROLLERS HAVING INTERENGAGEABLE ABUTMENT MEANS FOR LIMITING MOVEMENT OF SAID INNER ROLLERS TO SAID OUTWARDLY EXTENDED POSITION, MEANS LIMITING INWARD MOVEMENT OF SAID INNER ROLLERS, EACH OF SAID INNER ROLLERS HAVING A CLIP EXTENDING GENERALLY LONGITUDINALLY THEREOF AND POSITIONED TO OVERLIE THE SURFACE OF SAID OUTER ROLLER WHILE BEING CLOSELY ADJACENT THERETO WHEN SAID INNER ROLLERS ARE IN THE WITHDRAWN POSITION SO AS TO EMBRACE A STRAND OR CURL OF HAIR AT A SELECTED POSITION BETWEEN THE SURFACE OF SAID OUTER ROLLER AND SAID CLIPS, SAID INNER ROLLERS AND CLIPS BEING ROTATABLE WITH RESPECT TO SAID OUTER ROLLER IN BOTH OF SAID POSITIONS, SAID CLIPS OVERLYING A MINOR PORTION OF THE CIRCUMFERENCE OF THE OUTER SURFACE OF SAID OUTER ROLLER.
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |