Patent US2529311A successfully refreshed from Google Patents.
US2529311A
Expired / Lapsed
US
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Hair curler
Assignee: Individual
•
Filing: 1947-03-19
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Granted: 1950-11-07
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Expires: 1967-03-19
Abstract
No abstract record available.
Inventors
- 👤 Dorothy B Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:28
CPC Classifications
A; A45; A45D; A45D2/00; A45D2/02; A45D2/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE498686C
Cited
US2162081A
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US2164135A
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US2173872A
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US2383612A
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US2482052A
Cited
US2449301A
Cited
US2457414A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |