US2697010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller skate wheel
Assignee: Individual
•
Filing: 1951-07-13
•
Granted: 1954-12-14
•
Expires: 1971-07-13
Abstract
No abstract record available.
Inventors
- 👤 Hirschmugl Robert August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:40
CPC Classifications
A; A63; A63C; A63C17/00; A63C17/22
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1392174A
Cited
US1209259A
Cited
US1536410A
Cited
US2135380A
Cited
US2276143A
Cited
US2307874A
Cited
US2262714A
Cited
US2534401A
Cited
US2440650A
Cited
US2599540A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-13 | 1958-06-14 | 1958-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-13 | 1962-06-14 | 1962-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-13 | 1966-06-14 | 1966-12-14 | $7700.00 | Window Closed / Lapsed |