US2804290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixer spinner assembly
Assignee: Hoover Co
•
Filing: 1954-09-10
•
Granted: 1957-08-27
•
Expires: 1974-09-10
Abstract
No abstract record available.
Inventors
- 👤 George E Kaufman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:05
CPC Classifications
A; A47; A47J; A47J43/00; A47J43/04; A47J43/044; A47J2043/04409; A47J2043/04427; A47J2043/04436; Y; Y10; Y10S; Y10S279/00; Y10S279/906; Y10S464/00; Y10S464/901; Y10S74/00; Y10S74/10; Y10T; Y10T279/00; Y10T279/20; Y10T403/00; Y10T403/70; Y10T403/7016; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18088; Y10T74/18128; Y10T74/18136
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |