Patent US2669131A successfully refreshed from Google Patents.
US2669131A
Expired / Lapsed
US
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Drive arrangement for truck mixers
Assignee: LE ROI Co
•
Filing: 1950-03-06
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Granted: 1954-02-16
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Expires: 1970-03-06
Abstract
No abstract record available.
Inventors
- 👤 Gerst Chris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:41
CPC Classifications
B; B28; B28C; B28C5/00; B28C5/42; B28C5/4203; B28C5/4206; B28C5/421; B28C5/4217; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19149; Y10T74/19219; Y10T74/19377; Y10T74/19386; Y10T74/19405
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2029126A
Cited
US2171715A
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US2344656A
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US2435930A
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US2413488A
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US2443313A
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US2512856A
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US2536737A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |