US3250281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair curling device with pivoting and rotating bail
Assignee: TIP TOP PRODUCTS CO
•
Filing: 1964-02-14
•
Granted: 1966-05-10
•
Expires: 1984-02-14
Abstract
No abstract record available.
Inventors
- 👤 Claude D Gresham
- 👤 Hoffmann Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:38
CPC Classifications
A; A45; A45D; A45D2/00; A45D2/12; A45D2/14; A45D2/141; A45D2/143
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
276 words
A FLEXIBLE PLASTIC HAIR CURLER COMPRISING A SUBSTANTIALLY RECTANGULAR BAIL HAVING LONGITUDINALLY EXTENDING PARALLEL FLEXIBLE SIDES AND INTEGRALLY FORMED ARCUATE TRANSVERSE ENDS CONNECTING SAID SIDES, ONE OF SAID TRANSVERSE ENDS HAVING AN INTEGRAL FLEXIBLE ARCUATE RIB HAVING A LENGTH SUBSTANTIALLY LESS THAN THE LENGTH OF SAID TRANSVERSE END AND A THICKNESS LESS THAN THE THICKNESS OF SAID TRANSVERSE END FACING INWARDLY OF SAID BAIL AND PROVIDED AT ITS VERTEX WITH AN INTEGRAL CONICAL HEAD EXTENDING IN THE PLANE OF THE BAIL AND HAVING A PERIPHERAL GROOVE BETWEEN THE VERTEX AND THE CONICAL HEAD; A LONGITUDINALLY EXTENDING CYLINDRICAL BODY MEMBER COMPRISING A PLURALITY OF LONGITUDINALLY PARALLEL SPACED RIBS AND A PLURALITY OF TRANSVERSELY SAPCED RIBS, AND HAVING A PIVOT END AND A FREE END, SAID PIVOT END PROVIDED WITH AN INTEGRAL TRANSVERSE AXIALLY DISPOSED CROSS MEMBER PROVIDED AT ITS MID-POINT WITH AN AXIALLY DISPOSED APERTURE PIVOTALLY AND ROTATABLY ENGAGING SAID PERIPHERAL GROOVE OF SAID BAIL, SAID ARCUATE RIB OF SAID ONE TRANSVERSE END PIVOTALLY AND ROTATABLY CONNECTED TO SAID BODY MEMBER BEING FLEXIBLE IN THE DIRECTION OF THE TRANSVERSE AXIS OF SAID BODY MEMBER AND HAVING ITS LARGEST CHORD LESS THAN THE INSIDE DIAMETER OF SAID BODY MEMBER, THE OTHER OF SAID TRANSVERSE ENDS HAVING A SECOND INTEGRAL ARCUATE RIB FACING INWARDLY OF SAID BAIL HAVING ITS LARGEST CHORD SUBSTANTIALLY EQUAL TO THE INSIDE DIAMETER OF SAID BODY MEMBER; THE FREE END OF SAID BODY MEMBER BEING PROVIDED AT ITS INTERIOR PERIPHERAL SURFACE WITH A PLURALITY OF INWARDLY, UPWARDLY RADIALLY EXTENDING SPACED KNOBS TO FRICTIONALLY ENGAGE SAID SECOND RIB WHEN SAID BODY MEMBER IS IN A CLOSED POSITION WITHIN SAID BAIL AND PARALLEL TO ITS LONGITUDINAL SIDES.
Claim 2
Dependent Claim
276 words
A FLEXIBLE PLASTIC HAIR CURLER COMPRISING A SUBSTANTIALLY RECTANGULAR BAIL HAVING LONGITUDINALLY EXTENDING PARALLEL FLEXIBLE SIDES AND INTEGRALLY FORMED ARCUATE TRANSVERSE ENDS CONNECTING SAID SIDES, ONE OF SAID TRANSVERSE ENDS HAVING AN INTEGRAL FLEXIBLE ARCUATE RIB HAVING A LENGTH SUBSTANTIALLY LESS THAN THE LENGTH OF SAID TRANSVERSE END AND A THICKNESS LESS THAN THE THICKNESS OF SAID TRANSVERSE END FACING INWARDLY OF SAID BAIL AND PROVIDED AT ITS VERTEX WITH AN INTEGRAL CONICAL HEAD EXTENDING IN THE PLANE OF THE BAIL AND HAVING A PERIPHERAL GROOVE BETWEEN THE VERTEX AND THE CONICAL HEAD; A LONGITUDINALLY EXTENDING CYLINDRICAL BODY MEMBER COMPRISING A PLURALITY OF LONGITUDINALLY PARALLEL SPACED RIBS AND A PLURALITY OF TRANSVERSELY SAPCED RIBS, AND HAVING A PIVOT END AND A FREE END, SAID PIVOT END PROVIDED WITH AN INTEGRAL TRANSVERSE AXIALLY DISPOSED CROSS MEMBER PROVIDED AT ITS MID-POINT WITH AN AXIALLY DISPOSED APERTURE PIVOTALLY AND ROTATABLY ENGAGING SAID PERIPHERAL GROOVE OF SAID BAIL, SAID ARCUATE RIB OF SAID ONE TRANSVERSE END PIVOTALLY AND ROTATABLY CONNECTED TO SAID BODY MEMBER BEING FLEXIBLE IN THE DIRECTION OF THE TRANSVERSE AXIS OF SAID BODY MEMBER AND HAVING ITS LARGEST CHORD LESS THAN THE INSIDE DIAMETER OF SAID BODY MEMBER, THE OTHER OF SAID TRANSVERSE ENDS HAVING A SECOND INTEGRAL ARCUATE RIB FACING INWARDLY OF SAID BAIL HAVING ITS LARGEST CHORD SUBSTANTIALLY EQUAL TO THE INSIDE DIAMETER OF SAID BODY MEMBER; THE FREE END OF SAID BODY MEMBER BEING PROVIDED AT ITS INTERIOR PERIPHERAL SURFACE WITH A PLURALITY OF INWARDLY, UPWARDLY RADIALLY EXTENDING SPACED KNOBS TO FRICTIONALLY ENGAGE SAID SECOND RIB WHEN SAID BODY MEMBER IS IN A CLOSED POSITION WITHIN SAID BAIL AND PARALLEL TO ITS LONGITUDINAL SIDES.
References Cited (Backward Citations)
US2682272A
Cited
US2497714A
Cited
US2625940A
Cited
US2610639A
Cited
US2809644A
Cited
US2888937A
Cited
US3105502A
Cited
GB941802A
Cited
US3170469A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |