US2481817A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Auxiliary suspension assembly for vehicles
Assignee: Butler Manufacturing Co
•
Filing: 1944-09-28
•
Granted: 1949-09-13
•
Expires: 1964-09-28
Abstract
No abstract record available.
Inventors
- 👤 Leon H Bradley
- 👤 Jr James T Jennings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:13
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/32; B60G11/34; B60G11/38; B60G11/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1031612A
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US1617031A
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US2027990A
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US2125184A
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US2198616A
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US2166822A
Cited
GB511715A
Cited
US2242852A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-12 | 1953-03-14 | 1953-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-12 | 1957-03-14 | 1957-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-12 | 1961-03-14 | 1961-09-13 | $7700.00 | Window Closed / Lapsed |