US2664276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concrete mixer with lifting and tilting mechanism
Assignee: WAGNER IRON WORKS
•
Filing: 1951-02-16
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Granted: 1953-12-29
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Expires: 1971-02-16
Abstract
No abstract record available.
Inventors
- 👤 Adolph A Wagner
- 👤 Arnold J Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:15
CPC Classifications
B; B28; B28C; B28C5/00; B28C5/08; B28C5/18; B28C5/1825; B28C5/1831
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1878504A
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US1856728A
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US2545236A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |