US2715946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable control for automatic vacuum cleaners
Assignee: Electrolux Corp
•
Filing: 1954-01-14
•
Granted: 1955-08-23
•
Expires: 1974-01-14
Abstract
No abstract record available.
Inventors
- 👤 Peterson Axel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:37
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/19; A47L9/0072; Y; Y10; Y10S; Y10S55/00; Y10S55/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2200599A
Cited
US2331826A
Cited
US2477801A
Cited
US2641330A
Cited
US2569222A
Cited
US2646855A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-22 | 1959-02-21 | 1959-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-22 | 1963-02-21 | 1963-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-22 | 1967-02-21 | 1967-08-23 | $7700.00 | Window Closed / Lapsed |