Patent US2534401A successfully refreshed from Google Patents.
US2534401A
Expired / Lapsed
US
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Roller skate wheel
Assignee: BLAES BROTHERS Inc
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Filing: 1946-05-28
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Granted: 1950-12-19
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Expires: 1966-05-28
Abstract
No abstract record available.
Inventors
- 👤 Edward G Blaes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:33
CPC Classifications
A; A63; A63C; A63C17/00; A63C17/22
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) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |