Patent US2640198A successfully refreshed from Google Patents.
US2640198A
Expired / Lapsed
US
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Hairline protector
Assignee: Individual
•
Filing: 1951-01-16
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Granted: 1953-06-02
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Expires: 1971-01-16
Abstract
No abstract record available.
Inventors
- 👤 Mullen Florence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:44
CPC Classifications
A; A45; A45D; A45D44/00; A45D44/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE182125C
Cited
DE444683C
Cited
US1750937A
Cited
US1741327A
Cited
US2032898A
Cited
US2016210A
Cited
US2337617A
Cited
US2324735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-01 | 1956-12-01 | 1957-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-01 | 1960-12-01 | 1961-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-01 | 1964-12-01 | 1965-06-02 | $7700.00 | Window Closed / Lapsed |