Patent US2880977A successfully refreshed from Google Patents.
US2880977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dump truck for concrete and other semi-liquid materials
Assignee: Individual
•
Filing: 1956-10-29
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Granted: 1959-04-07
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Expires: 1976-10-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Glenway Maxon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:18
CPC Classifications
B; B28; B28C; B28C5/00; B28C5/42; B28C5/4203; B28C5/4234; B28C5/4244; B28C5/4248; B28C5/4251; B28C5/4282; B60; B60P; B60P1/00; B60P1/04; B60P1/16; B60P3/00; B60P3/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1030250A
Cited
US1633341A
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US1966502A
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US2133170A
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US2544202A
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US2568678A
Cited
US2678121A
Cited
US2757912A
Cited
US2705134A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |