US3356873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dc motor with rectifiers mounted in the end bell
Assignee: ABB Motors and Mechanical Inc
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Filing: 1965-11-12
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Granted: 1967-12-05
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Expires: 1985-11-12
Abstract
No abstract record available.
Inventors
- 👤 Emil S Tamm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:26
CPC Classifications
H; H02; H02K; H02K11/00; H02K11/04; H02K11/049; H02K11/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
AN ELECTRICAL MOTOR ASSEMBLY FOR A DIRECT CURRENT MOTOR ENERGIZED BY RECTIFIED ALTERNATING CURRENT COMPRISING, AN END COVER SECURED TO ONE END OF THE ELECTRICAL MOTOR, AN OUTWARDLY OPENING ENCLOSURE INTEGRAL WITH SAID END COVER, MEANS FOR MOUNTING THE RECTIFYING UNIT OF THE ELECTRICAL MOTOR TO SAID END COVER WITHIN SAID ENCLOSURE, AND VENTILATING MEANS PROVIDED IN THE MOTOR ASSEMBLY FOR ACTUATING AIR FOR COOLING THE ENCLOSURE AND RECTIFYING UNIT.
Claim 2
Dependent Claim
70 words
AN ELECTRICAL MOTOR ASSEMBLY FOR A DIRECT CURRENT MOTOR ENERGIZED BY RECTIFIED ALTERNATING CURRENT COMPRISING, AN END COVER SECURED TO ONE END OF THE ELECTRICAL MOTOR, AN OUTWARDLY OPENING ENCLOSURE INTEGRAL WITH SAID END COVER, MEANS FOR MOUNTING THE RECTIFYING UNIT OF THE ELECTRICAL MOTOR TO SAID END COVER WITHIN SAID ENCLOSURE, AND VENTILATING MEANS PROVIDED IN THE MOTOR ASSEMBLY FOR ACTUATING AIR FOR COOLING THE ENCLOSURE AND RECTIFYING UNIT.
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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |