US2649185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyer type concrete distributing machine
Assignee: Koehring Co
•
Filing: 1946-10-28
•
Granted: 1953-08-18
•
Expires: 1966-10-28
Abstract
No abstract record available.
Inventors
- 👤 Erich H Lichtenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:02
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/12; E01C19/18; E01C19/185
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US620016A
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US688912A
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US1446124A
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US1374728A
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US1878278A
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US1754533A
Cited
US2049115A
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US2101031A
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US2168507A
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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) | 1956-08-17 | 1957-02-16 | 1957-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-17 | 1961-02-16 | 1961-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-17 | 1965-02-16 | 1965-08-18 | $7700.00 | Window Closed / Lapsed |