US2633364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller skate
Assignee: Individual
•
Filing: 1949-02-21
•
Granted: 1953-03-31
•
Expires: 1969-02-21
Abstract
No abstract record available.
Inventors
- 👤 Francis M Wiseley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:10
CPC Classifications
A; A63; A63C; A63C17/00; A63C17/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US277911A
Cited
US628433A
Cited
US918575A
Cited
US979169A
Cited
GB191011727A
Cited
US1374464A
Cited
US1885158A
Cited
US2150814A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-30 | 1956-09-29 | 1957-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-30 | 1960-09-29 | 1961-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-30 | 1964-09-29 | 1965-03-31 | $7700.00 | Window Closed / Lapsed |