US3144027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair curler
Assignee: CHALSEA PRODUCTS CO Inc
•
Filing: 1961-04-26
•
Granted: 1964-08-11
•
Expires: 1981-04-26
Abstract
No abstract record available.
Inventors
- 👤 William L Chalfin
- 👤 Friedwald David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:00
CPC Classifications
A; A45; A45D; A45D2/00; A45D2/12; A45D2/14; A45D2/22; A45D2/24; A45D2/2435
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A HAIR CURLER COMPRISING AN ELONGATED TUBULAR BODY HAVING OPEN END PORTIONS AND HAVING A PLURALITY OF APERTURES EXTENDING THROUGH THE SURFACE OF THE BODY, A STRIP OF POROUS CELLULAR MATERIAL ADHESIVELY SECURED TO THE OUTER SURFACE OF SAID BODY BETWEEN ADJACENT APERTURES, SAID STRIP EXTENDING THE LENGTH OF SAID BODY AND HAVING ITS END PORTION TURNED UNDER THE OPEN ENDS OF SAID BODY, SAID STRIP HAVING A THICKNESS WHICH PERMITS THE HAIR CURLED THEREABOUT TO BE SPACED FROM SAID TUBULAR BODY AND APERTURES FORMED THEREIN TO PERMIT THE FREE CIRCULATION OF AIR THROUGH THE HAIR CURLS SO AS TO HASTEN THE DRYING THEREOF DURING A SETTING OPERATION.
Claim 2
Dependent Claim
108 words
A HAIR CURLER COMPRISING AN ELONGATED TUBULAR BODY HAVING OPEN END PORTIONS AND HAVING A PLURALITY OF APERTURES EXTENDING THROUGH THE SURFACE OF THE BODY, A STRIP OF POROUS CELLULAR MATERIAL ADHESIVELY SECURED TO THE OUTER SURFACE OF SAID BODY BETWEEN ADJACENT APERTURES, SAID STRIP EXTENDING THE LENGTH OF SAID BODY AND HAVING ITS END PORTION TURNED UNDER THE OPEN ENDS OF SAID BODY, SAID STRIP HAVING A THICKNESS WHICH PERMITS THE HAIR CURLED THEREABOUT TO BE SPACED FROM SAID TUBULAR BODY AND APERTURES FORMED THEREIN TO PERMIT THE FREE CIRCULATION OF AIR THROUGH THE HAIR CURLS SO AS TO HASTEN THE DRYING THEREOF DURING A SETTING OPERATION.
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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) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |