US2622931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller-skate wheel mounting
Assignee: Individual
•
Filing: 1947-10-16
•
Granted: 1952-12-23
•
Expires: 1967-10-16
Abstract
No abstract record available.
Inventors
- 👤 Petrelli Ivo
- 👤 Mares Lodovico
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:04
CPC Classifications
A; A63; A63C; A63C17/00; A63C17/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1554298A
Cited
US1803019A
Cited
US2136531A
Cited
US2241684A
Cited
US2304944A
Cited
US2357597A
Cited
US2467437A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |