Patent US2825415A successfully refreshed from Google Patents.
US2825415A
Expired / Lapsed
US
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Tandem axle suspension and components
Assignee: Rockwell Spring and Axle Co
•
Filing: 1954-03-03
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Granted: 1958-03-04
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Expires: 1974-03-03
Abstract
No abstract record available.
Inventors
- 👤 Lawrence G Boughner
- 👤 Percy C Whiting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:05
CPC Classifications
B; B60; B60G; B60G7/00; B60G7/005; B60G5/00; B60G5/04; B60G5/053
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US127240A
Cited
US166039A
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US1618373A
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US1946060A
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US2096530A
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US2446877A
Cited
US2633204A
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US2653035A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-03 | 1961-09-02 | 1962-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-03 | 1965-09-02 | 1966-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-03 | 1969-09-02 | 1970-03-04 | $7700.00 | Window Closed / Lapsed |