US2959423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjusting means for resiliently mounted roller skate trucks
Assignee: Individual
•
Filing: 1957-06-19
•
Granted: 1960-11-08
•
Expires: 1977-06-19
Abstract
No abstract record available.
Inventors
- 👤 Dornseif Erich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:51
CPC Classifications
A; A63; A63C; A63C17/00; A63C17/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US292850A
Cited
US330658A
Cited
GB190903702A
Cited
US955037A
Cited
US995504A
Cited
FR431037A
Cited
GB150258A
Cited
US1533848A
Cited
US2127630A
Cited
GB481734A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |