Patent US3456180A successfully refreshed from Google Patents.
US3456180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor speed control
Assignee: KitchenAid Inc
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Filing: 1967-07-10
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Granted: 1969-07-15
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Expires: 1987-07-10
Abstract
No abstract record available.
Inventors
- 👤 Stuart E Athey
- 👤 Charles M Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:07
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/06; H01H35/10; A; A47; A47J; A47J43/00; A47J43/04; A47J43/07; A47J43/08; H02; H02K; H02K11/00; H02K11/20; H02K11/21; H02K11/23
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) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |