US3099990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair curler
Assignee: CHALSEA PRODUCTS CO Inc
•
Filing: 1960-07-15
•
Granted: 1963-08-06
•
Expires: 1980-07-15
Abstract
No abstract record available.
Inventors
- 👤 William L Chalfin
- 👤 Friedwald David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:44
CPC Classifications
A; A45; A45D; A45D2/00; A45D2/12; A45D2/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
122 words
A RESILIENT PLASTIC HAIR CURLER ADAPTED FOR USE WITH A BOBBY PIN, SAID HAIR CURLER COMPRISING A NORMALLY FLAT STRIP OF GENERALLY RECTANGULAR SHAPE HAVING SLOTS CONFINED TO ONE END THEREOF, LUGS EXTENDING OUT FROM THE OTHER END OF AND IN THE PLANE OF SAID STRIP AND ARRANGED FOR ENGAGEMENT WITH THE SAID SLOTS TO FORM A GENERALLY CYLINDRICAL BODY PORTION, AND A PLURALITY OF ELONGATED CONTINUOUS RIBS EXTENDING LENGTHWISE OF THE BODY PORTION AND PROTRUDING FROM THE SURFACE THEREOF CONFINED TO THE OTHER END OF THE STRIP THEREBY TO PROVIDE CHANNELS IN WHICH A BOBBY PIN MAY BE SECURED, SAID STRIP HAVING A PLURALITY OF SLITS BETWEEN SAID RIBS FOR FLEXIBILITY OF THE CURLER AND TO PROVIDE ACCESS TO THE HAIR.
References Cited (Backward Citations)
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-05 | 1967-02-04 | 1967-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-05 | 1971-02-04 | 1971-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-05 | 1975-02-04 | 1975-08-06 | $7700.00 | Window Closed / Lapsed |