Patent US4027171A successfully refreshed from Google Patents.
US2631817A
Expired / Lapsed
US
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Tire spreader
Assignee: Individual
•
Filing: 1951-06-01
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Granted: 1953-03-17
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Expires: 1971-06-01
Abstract
No abstract record available.
Inventors
- 👤 John L Trunnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:00
CPC Classifications
B; B60; B60C; B60C25/00; B60C25/14; B60C25/142; B60C25/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US301881A
Cited
US1990611A
Cited
US2058100A
Cited
US2173795A
Cited
US2338278A
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US2496389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |