US2875466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum cleaner
Assignee: Whirlpool Corp
•
Filing: 1955-06-21
•
Granted: 1959-03-03
•
Expires: 1975-06-21
Abstract
No abstract record available.
Inventors
- 👤 Curt E Nyberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:31
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2233167A
Cited
US2070834A
Cited
US2152756A
Cited
US2276844A
Cited
US2441365A
Cited
US2516707A
Cited
US2771151A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |