Patent US2539017A successfully refreshed from Google Patents.
US2539017A
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US
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Driving mechanism for agitators
Assignee: Individual
•
Filing: 1948-11-02
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Granted: 1951-01-23
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Expires: 1968-11-02
Abstract
No abstract record available.
Inventors
- 👤 Lester P Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:22
CPC Classifications
A; A47; A47J; A47J43/00; A47J43/04; A47J43/044; B; B01; B01F; B01F35/00; B01F35/30; B01F35/32; B01F35/324; A47J2043/04409; A47J2043/04427; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-22 | 1954-07-24 | 1955-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-22 | 1958-07-24 | 1959-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-22 | 1962-07-24 | 1963-01-23 | $7700.00 | Window Closed / Lapsed |