US2486911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traction grip plate
Assignee: Individual
•
Filing: 1948-05-26
•
Granted: 1949-11-01
•
Expires: 1968-05-26
Abstract
No abstract record available.
Inventors
- 👤 Harry C Becker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:11
CPC Classifications
B; B60; B60B; B60B39/00; B60B39/02; B60B39/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1500249A
Cited
US1339612A
Cited
US1594623A
Cited
US1863316A
Cited
US1970781A
Cited
US2058192A
Cited
US2250280A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-31 | 1953-05-02 | 1953-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-31 | 1957-05-02 | 1957-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-31 | 1961-05-02 | 1961-11-01 | $7700.00 | Window Closed / Lapsed |