US2888093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound-dampening structure for suction cleaners
Assignee: Electrolux AB
•
Filing: 1955-05-17
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Granted: 1959-05-26
•
Expires: 1975-05-17
Abstract
No abstract record available.
Inventors
- 👤 Wahlborg Karl John
- 👤 Faith-Ell Lars Johan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:12
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/0081; A47L5/00; A47L5/12; A47L5/22; A47L5/36; A47L5/362
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1021254A
Cited
US1490957A
Cited
US1622827A
Cited
GB261780A
Cited
GB449903A
Cited
US2155669A
Cited
US2151842A
Cited
GB638702A
Cited
US2719596A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |