Patent US3475642A successfully refreshed from Google Patents.
Patent US2987241A successfully refreshed from Google Patents.
US2987241A
Expired / Lapsed
US
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Motor-fan unit mounting for suction cleaner
Assignee: Electrolux AB
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Filing: 1957-12-17
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Granted: 1961-06-06
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Expires: 1977-12-17
Abstract
No abstract record available.
Inventors
- 👤 Lindsjo Anders Folke Napoleon
- 👤 Boivie Jean Ivan Ragnar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:30
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/24; A47L9/00; A47L9/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB409563A
Cited
US2012688A
Cited
US2372007A
Cited
US2372749A
Cited
US2438133A
Cited
US2717748A
Cited
US2789661A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |