US2800910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair-curling device
Assignee: Individual
•
Filing: 1955-07-20
•
Granted: 1957-07-30
•
Expires: 1975-07-20
Abstract
No abstract record available.
Inventors
- 👤 Seyffarth Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:44
CPC Classifications
A; A45; A45D; A45D2/00; A45D2/12; A45D2/127
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US909079A
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US1084776A
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US1631991A
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US1653229A
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US1956661A
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US2163375A
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US2162081A
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US2325316A
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US2456645A
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US2601428A
Cited
US2652063A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |