Patent US2740029A successfully refreshed from Google Patents.
US2740029A
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US
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Speed control for liquefier
Assignee: Knapp Monarch Co
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Filing: 1953-04-27
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Granted: 1956-03-27
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Expires: 1973-04-27
Abstract
No abstract record available.
Inventors
- 👤 John J Kueser
- 👤 Charles D Visos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:33
CPC Classifications
A; A47; A47J; A47J43/00; A47J43/04; A47J43/07; A47J43/08; A47J43/085; H; H02; H02K; H02K23/00; H02K23/66
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US416632A
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US803453A
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US822312A
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US1225227A
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US1433740A
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US1489182A
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US2103922A
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US2262912A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |