US2558696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller skate
Assignee: Individual
•
Filing: 1946-12-09
•
Granted: 1951-06-26
•
Expires: 1966-12-09
Abstract
No abstract record available.
Inventors
- 👤 Earl Van Horn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:53
CPC Classifications
A; A63; A63C; A63C17/00; A63C17/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US243761A
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US305644A
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US309501A
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US321443A
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US323736A
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US875165A
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US978523A
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US2039153A
Cited
US2016847A
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US2341576A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-25 | 1954-12-25 | 1955-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-25 | 1958-12-25 | 1959-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-25 | 1962-12-25 | 1963-06-26 | $7700.00 | Window Closed / Lapsed |