US3141464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair curler
Assignee: Individual
•
Filing: 1961-01-18
•
Granted: 1964-07-21
•
Expires: 1981-01-18
Abstract
No abstract record available.
Inventors
- 👤 Catania Salvatore John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:16
CPC Classifications
A; A45; A45D; A45D2/00; A45D2/12; A45D2/24; A45D2/2464; A45D2/2485
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
99 words
A HAIR CURLER COMPRISING AN ELONGATED MANDREL HAVING A LONGITUDINALLY EXTENDING SLOT IN ITS SIDE, CLAMPING MEANS INCLUDING AN ELONGATED LEAF HAVING A TRANSVERSELY CONCAVE SURFACE FOR COMPRESSIVELY ENGAGING SAID MANDREL SIDE ALONG SUBSTANTIAL PORTIONS OF THEIR LENGTHS, SAID LEAF CARRYING A LONGITUDINALLY EXTENDING LATERALLY PROJECTING FLANGE MOVABLE INTO SAID SLOT AND HAVING A SURFACE FOR CLAMPING THE TOP PORTIONS OF A STRAND OF HAIR AGAINST SAID MANDREL, MOUNTING MEANS CONNECTING ONE END PORTION OF SAID LEAF AND MANDREL WHEREBY TO CLAMP A STRAND OF HAIR BETWEEN SAID LEAF AND MANDREL WHEN SAID STRAND IS WOUND ABOUT THE LATTER.
References Cited (Backward Citations)
US765863A
Cited
US861479A
Cited
US1487636A
Cited
FR589815A
Cited
US1565098A
Cited
US1872644A
Cited
US2008508A
Cited
US2426760A
Cited
US2403244A
Cited
GB619889A
Cited
US2829654A
Cited
US2789565A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |