Patent US2519172A successfully refreshed from Google Patents.
US2447451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush mounted nail file
Assignee: Individual
•
Filing: 1945-11-09
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Granted: 1948-08-17
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Expires: 1965-11-09
Abstract
No abstract record available.
Inventors
- 👤 Windmoeller Minnie May
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:18
CPC Classifications
A; A46; A46B; A46B15/00; A46B15/0055; A46B15/0065; A45; A45D; A45D29/00; A45D29/04; A46B2200/00; A46B2200/10; A46B2200/1006; A46B2200/1013
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-17 | 1952-02-16 | 1952-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-17 | 1956-02-16 | 1956-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-17 | 1960-02-16 | 1960-08-17 | $7700.00 | Window Closed / Lapsed |