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US2482976A
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Portable concrete mixer
Assignee: Individual
•
Filing: 1946-12-03
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Granted: 1949-09-27
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Expires: 1966-12-03
Abstract
No abstract record available.
Inventors
- 👤 Fredie H Harwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:08
CPC Classifications
B; B28; B28C; B28C5/00; B28C5/42; B28C5/4272; B28C5/4275; Y; Y10; Y10S; Y10S366/00; Y10S366/606
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1415819A
Cited
US1540381A
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US2013359A
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US2176874A
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US2397851A
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US2447071A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-26 | 1953-03-28 | 1953-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-26 | 1957-03-28 | 1957-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-26 | 1961-03-28 | 1961-09-27 | $7700.00 | Window Closed / Lapsed |