Patent US2948014A successfully refreshed from Google Patents.
US2948014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selectively positioned brush nozzle
Assignee: Electrolux Corp
•
Filing: 1954-10-26
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Granted: 1960-08-09
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Expires: 1974-10-26
Abstract
No abstract record available.
Inventors
- 👤 Oliver L Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:44
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/02; A47L9/06; A47L9/066
Claims Analysis
Total Claims: 0
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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) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |