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Patent US2437302A successfully refreshed from Google Patents.
US2437302A
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Concrete mixing plant
Assignee: TL Smith Co
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Filing: 1942-01-19
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Granted: 1948-03-09
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Expires: 1962-01-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Glenway Maxon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:24
CPC Classifications
B; B28; B28C; B28C7/00; B28C7/04; B28C7/06; B28C7/067; B28C5/00; B28C5/08; B28C5/18; B28C5/1825; B28C5/1843
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US861007A
Cited
US1775745A
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US1775746A
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US2238343A
Cited
US2175464A
Cited
US2174089A
Cited
US2408397A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-09 | 1951-09-08 | 1952-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-09 | 1955-09-08 | 1956-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-09 | 1959-09-08 | 1960-03-09 | $7700.00 | Window Closed / Lapsed |