Patent US3433528A successfully refreshed from Google Patents.
US3433528A
Expired / Lapsed
US
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Elevating device for trailing wheel assemblies of dump trucks
Assignee: Individual
•
Filing: 1967-07-24
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Granted: 1969-03-18
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Expires: 1987-07-24
Abstract
No abstract record available.
Inventors
- 👤 Jacob Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:57
CPC Classifications
B; B60; B60G; B60G5/00; B60G5/04; B60G5/047; B60G17/00; B60G17/005; B60G2202/00; B60G2202/10; B60G2202/11; B60G2204/00; B60G2204/40; B60G2204/46; B60G2204/4604; B60G2300/00; B60G2300/02; B60G2400/00; B60G2400/60; B60G2500/00; B60G2500/20; B60G2800/00; B60G2800/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |