US2793645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair curler
Assignee: Individual
•
Filing: 1953-09-11
•
Granted: 1957-05-28
•
Expires: 1973-09-11
Abstract
No abstract record available.
Inventors
- 👤 Leona H Grant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:34
CPC Classifications
A; A45; A45D; A45D2/00; A45D2/12; A45D2/14; A45D2/141; A45D2/143; Y; Y10; Y10S; Y10S132/00; Y10S132/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US417656A
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US1891589A
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US2061356A
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US2152672A
Cited
US2168368A
Cited
US2324607A
Cited
US2381107A
Cited
US2525750A
Cited
FR974445A
Cited
US2630810A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-27 | 1960-11-26 | 1961-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-27 | 1964-11-26 | 1965-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-27 | 1968-11-26 | 1969-05-28 | $7700.00 | Window Closed / Lapsed |