US2960714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination carpet sweeper and vacuum cleaner
Assignee: Electrolux Corp
•
Filing: 1958-12-04
•
Granted: 1960-11-22
•
Expires: 1978-12-04
Abstract
No abstract record available.
Inventors
- 👤 Edgar P Senne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:55
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4013; A47L11/02; A47L11/20; A47L11/204; A47L11/4025; A47L11/4036; A47L11/4041; A47L11/4044; A47L11/4063; A47L11/4069; A47L11/4075; A47L11/4094; A47L9/00; A47L9/02; A47L9/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |