US2687759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antiskid means
Assignee: Individual
•
Filing: 1950-07-28
•
Granted: 1954-08-31
•
Expires: 1970-07-28
Abstract
No abstract record available.
Inventors
- 👤 Keinanen Sulo Paavo Johannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:20
CPC Classifications
B; B60; B60C; B60C27/00; B60C27/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US802005A
Cited
US958748A
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US1054980A
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US1279385A
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US1270550A
Cited
US1258863A
Cited
US1334110A
Cited
US1517766A
Cited
US1609464A
Cited
US1848444A
Cited
US2276640A
Cited
US2441656A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |