US3108604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrugated paper hair curler
Assignee: Individual
•
Filing: 1961-01-06
•
Granted: 1963-10-29
•
Expires: 1981-01-06
Abstract
No abstract record available.
Inventors
- 👤 Ruth M Krull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:14
CPC Classifications
A; A45; A45D; A45D2/00; A45D2/12; A45D2/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A HAIR CURLER ROLLER COMPRISING AN INNER PLY AND AN OUTER PLY OF PLIABLE PAPER WITH THE PLIES BEING BONDED ONE TO THE OTHER, ONE OF SAID PLIES BEING IN THE FORM OF A HOLLOW TUBULAR MEMBER WHICH IS SMOOTH AND ROUND, THE OTHER PLY BEING IN THE FROM OF A CORRUGATED MEMBER WITH THE CORRUGATIONS BEING CIRCUMFERENTIALLY SPACED APART AND EXTENDING AXIALLY SUBSTANTIALLY THROUGHOUT ITS LENGTH, SAID PILES BEING ARRANGED ONE WITHIN THE OTHER AND DIMENSIONED SO THAT THE CRESTS OF THE CORRUGATED PLY WHICH EXTEND IN THE DIRECTION OF THE PLAIN TUBULAR PLY ARE IN CONTACTING RELATION WITH THE ADJACENT SURFACE OF THE PLAIN TUBULAR PLY AND DEFINE CIRCUMFERENTIALLY SPACED APART LONGITUDINALLY EXTENDING CHANNELS THEREBETWEEN.
Claim 2
Dependent Claim
117 words
A HAIR CURLER ROLLER COMPRISING AN INNER PLY AND AN OUTER PLY OF PLIABLE PAPER WITH THE PLIES BEING BONDED ONE TO THE OTHER, ONE OF SAID PLIES BEING IN THE FORM OF A HOLLOW TUBULAR MEMBER WHICH IS SMOOTH AND ROUND, THE OTHER PLY BEING IN THE FROM OF A CORRUGATED MEMBER WITH THE CORRUGATIONS BEING CIRCUMFERENTIALLY SPACED APART AND EXTENDING AXIALLY SUBSTANTIALLY THROUGHOUT ITS LENGTH, SAID PILES BEING ARRANGED ONE WITHIN THE OTHER AND DIMENSIONED SO THAT THE CRESTS OF THE CORRUGATED PLY WHICH EXTEND IN THE DIRECTION OF THE PLAIN TUBULAR PLY ARE IN CONTACTING RELATION WITH THE ADJACENT SURFACE OF THE PLAIN TUBULAR PLY AND DEFINE CIRCUMFERENTIALLY SPACED APART LONGITUDINALLY EXTENDING CHANNELS THEREBETWEEN.
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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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |