Patent US2797693A successfully refreshed from Google Patents.
US2797693A
Expired / Lapsed
US
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Hair clip
Assignee: NATHAN GLUSKIN
•
Filing: 1954-06-21
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Granted: 1957-07-02
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Expires: 1974-06-21
Abstract
No abstract record available.
Inventors
- 👤 Erling P Bugge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:51
CPC Classifications
A; A45; A45D; A45D8/00; A45D8/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US721313A
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US769336A
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US1802310A
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US2001213A
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US2417335A
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US2464739A
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US2517971A
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US2500391A
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US2655927A
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US2638908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |