US2622265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual purpose rug nozzle for suction cleaners
Assignee: Electrolux Corp
•
Filing: 1947-11-08
•
Granted: 1952-12-23
•
Expires: 1967-11-08
Abstract
No abstract record available.
Inventors
- 👤 Oliver L Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:48
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1162412A
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USRE15423E
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US1695246A
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US2030133A
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GB428169A
Cited
US2103099A
Cited
US2227299A
Cited
US2290374A
Cited
US2237724A
Cited
US2258740A
Cited
US2319927A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |