Patent US2517971A successfully refreshed from Google Patents.
US2517971A
Expired / Lapsed
US
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Pivoted hair curling clip
Assignee: Individual
•
Filing: 1948-04-09
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Granted: 1950-08-08
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Expires: 1968-04-09
Abstract
No abstract record available.
Inventors
- 👤 Campanella Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:22
CPC Classifications
A; A45; A45D; A45D8/00; A45D8/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US206896A
Cited
US362134A
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US469237A
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US469902A
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US1591732A
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US1936838A
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US1946561A
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US2160346A
Cited
US2289749A
Cited
US2459452A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-07 | 1954-02-06 | 1954-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-07 | 1958-02-06 | 1958-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-07 | 1962-02-06 | 1962-08-08 | $7700.00 | Window Closed / Lapsed |