US2562167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction nozzle with work-operated valve
Assignee: Electrolux AB
•
Filing: 1945-02-15
•
Granted: 1951-07-31
•
Expires: 1965-02-15
Abstract
No abstract record available.
Inventors
- 👤 Bilde Tord Erik Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:25
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/02; A47L9/06; A47L9/0606; A47L9/0613
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US217164A
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US712530A
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US978984A
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US983971A
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US1994868A
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US1752664A
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US1888570A
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US2064903A
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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) | 1954-07-30 | 1955-01-29 | 1955-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-30 | 1959-01-29 | 1959-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-30 | 1963-01-29 | 1963-07-31 | $7700.00 | Window Closed / Lapsed |