US2837376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dust caps for roller skate wheels
Assignee: Individual
•
Filing: 1956-05-09
•
Granted: 1958-06-03
•
Expires: 1976-05-09
Abstract
No abstract record available.
Inventors
- 👤 Bruno Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:46
CPC Classifications
A; A63; A63C; A63C17/00; A63C17/22; F; F16; F16C; F16C13/00; F16C13/006; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16B; F16B37/00; F16B37/14; F16C2316/00; F16C2316/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |