Patent US2517253A successfully refreshed from Google Patents.
US2517253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair curling clip heater
Assignee: Individual
•
Filing: 1947-08-20
•
Granted: 1950-08-01
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Expires: 1967-08-20
Abstract
No abstract record available.
Inventors
- 👤 Philip D Spaeth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:16
CPC Classifications
A; A45; A45D; A45D4/00; A45D4/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2159358A
Cited
US867560A
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US1884232A
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US1972186A
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US1980475A
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US2060712A
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US2149153A
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US2165552A
Cited
US2235895A
Cited
US2406693A
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US2431904A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-31 | 1954-01-30 | 1954-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-31 | 1958-01-30 | 1958-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-31 | 1962-01-30 | 1962-08-01 | $7700.00 | Window Closed / Lapsed |