US3588284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor with pump and blower for oil burners
Assignee: Danfoss AS
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Filing: 1969-05-26
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Granted: 1971-06-28
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Expires: 1989-05-26
Abstract
Abstract THE INVENTION RELATES TO A MOTORIZED PUMP AND BLOWER ASSEMBLY FOR OIL BURNERS. THE MOTOR ROTOR IS DIVIDED INTO TWO PARTS WITH ONE ROTOR PART FOR DRIVING THE PUMP BEING INTERNALLY OF THE STATOR AND THE OTHER ROTOR PART FOR DRIVING THE BLOWER BEING EXTERNALLY OF THE STATOR. THE ASSEMBLY HOUSING IS PROVIDED WITH BEARING AND JOURNAL MEANS ON OPPOSITE SIDES OF THE STATOR FOR ROTATABLY SUPPORTING THE TWO ROTOR PARTS.
Inventors
- 👤 Leif V Sturlason
- 👤 Kyrre G Sjotun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:10
CPC Classifications
F; F04; F04C; F04C11/00; F04C11/008; F04C15/00; F04C15/0057; F04C15/008; F04C2/00; F04C2/08; F04C2/10; F04C2/102; H; H02; H02K; H02K7/00; H02K7/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
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 |