Patent US2740982A successfully refreshed from Google Patents.
US2740982A
Expired / Lapsed
US
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Suction cleaner with agitator disconnect
Assignee: Hoover Co
•
Filing: 1951-01-17
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Granted: 1956-04-10
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Expires: 1971-01-17
Abstract
No abstract record available.
Inventors
- 👤 George A Brace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:18
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/28; A47L5/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2084234A
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US2682680A
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US2682681A
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US2616119A
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US2708766A
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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) | 1959-04-10 | 1959-10-10 | 1960-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-10 | 1963-10-10 | 1964-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-10 | 1967-10-10 | 1968-04-10 | $7700.00 | Window Closed / Lapsed |