US3288251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Skateboard brake
Assignee: Individual
•
Filing: 1965-05-18
•
Granted: 1966-11-29
•
Expires: 1985-05-18
Abstract
No abstract record available.
Inventors
- 👤 Sakwa Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:11
CPC Classifications
A; A63; A63C; A63C17/00; A63C17/01; A63C17/014; A63C17/015; A63C17/14; A63C17/1409; A63C2017/1463
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US430006A
Cited
US2173716A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |