US2810587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tandem axle suspension spring seat mounting
Assignee: Rockwell Spring and Axle Co
•
Filing: 1953-06-11
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Granted: 1957-10-22
•
Expires: 1973-06-11
Abstract
No abstract record available.
Inventors
- 👤 Lawrence G Boughner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:12
CPC Classifications
B; B60; B60G; B60G5/00; B60G5/04; B60G5/053; Y; Y10; Y10T; Y10T403/00; Y10T403/45; Y10T403/455; Y10T403/458; Y10T403/70; Y10T403/7047; Y10T403/7051; Y10T403/7052; Y10T403/7056; Y10T403/7058
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1721278A
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US861717A
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US1140978A
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US1794782A
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US2048256A
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US2116254A
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US2481891A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-21 | 1961-04-22 | 1961-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-21 | 1965-04-22 | 1965-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-21 | 1969-04-22 | 1969-10-22 | $7700.00 | Window Closed / Lapsed |