US3587939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor-pump
Assignee: Whirlpool Corp
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Filing: 1968-11-07
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Granted: 1971-06-28
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Expires: 1988-11-07
Abstract
Abstract A MOTOR-PUMP FOR USE IN AN APPARATUS SUCH AS A DISHWASHER. THE MOTOR-PUMP IS ADAPTED TO BE SUBMERSIBLE IN THE SUMP OF A DISHWASHER TUB. THE MOTOR-PUMP HAS AN EXTREMELY LOW PROFILE PERMITTING SUCH INSTALLATION WITHOUT INTERFERENCE TO THE NORMAL DISHWASHER APPARATUS COMPONENTS. THE MOTORPUMP MEANS INCLUDES MEANS FOR DELIVERING THE WATER FOR DRAINING THE DISHWATER AS AN ANCIDENT OF THE REVERSE ROTATION OF THE MOTOR.
Inventors
- 👤 Arne M Nystuen
- 👤 Gerhard W Neumann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:21
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/12; H02K5/132; A; A47; A47L; A47L15/00; A47L15/42; A47L15/4214; A47L15/4225; F; F04; F04D; F04D13/00; F04D13/02; F04D13/06; F04D13/0646; F04D13/12; F04D13/14; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/86035; Y10T137/86067
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |