US2484974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller skate wheel
Assignee: Individual
•
Filing: 1947-03-26
•
Granted: 1949-10-18
•
Expires: 1967-03-26
Abstract
No abstract record available.
Inventors
- 👤 Earl Van Horn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:35
CPC Classifications
A; A63; A63C; A63C17/00; A63C17/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1386986A
Cited
GB191006614A
Cited
US1863473A
Cited
US2048916A
Cited
US2252132A
Cited
US2357597A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-17 | 1953-04-18 | 1953-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-17 | 1957-04-18 | 1957-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-17 | 1961-04-18 | 1961-10-18 | $7700.00 | Window Closed / Lapsed |