US3132269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamo electric machines
Assignee: Allard Way Holdings Ltd
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Filing: 1960-06-24
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Granted: 1964-05-05
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Expires: 1980-06-24
Abstract
No abstract record available.
Inventors
- 👤 Craske William John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:01
CPC Classifications
H; H02; H02K; H02K19/00; H02K19/16; H02K19/22; H02K19/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A DYNAMO ELECTRIC MACHINE COMPRISING TWO CYLINDRICAL ROTORS ARRANGED END TO END ON A DRIVING SHAFT WITH THE ADJACENT END FACES OF SAID ROTORS EXTENDING NORMAL TO THE AXIS OF SAID SHAFT AND THE REMOTE END FACES INCLINED TO THE SAID AXIS AND PARALLEL TO ONE ANOTHER, AT LEAST ONE STATOR ELEMENT CO-OPERATING WITH EACH SAID ROTOR, SAID STATOR ELEMENTS BEING ARRANGED IN AXIAL ALIGNMENT AND EACH COMPRISING A YOKE HAVING TWO POLE PIECES EXTENDING THEREFORM TOWARDS THE ASSOCIATED ROTOR.
Claim 2
Dependent Claim
80 words
A DYNAMO ELECTRIC MACHINE COMPRISING TWO CYLINDRICAL ROTORS ARRANGED END TO END ON A DRIVING SHAFT WITH THE ADJACENT END FACES OF SAID ROTORS EXTENDING NORMAL TO THE AXIS OF SAID SHAFT AND THE REMOTE END FACES INCLINED TO THE SAID AXIS AND PARALLEL TO ONE ANOTHER, AT LEAST ONE STATOR ELEMENT CO-OPERATING WITH EACH SAID ROTOR, SAID STATOR ELEMENTS BEING ARRANGED IN AXIAL ALIGNMENT AND EACH COMPRISING A YOKE HAVING TWO POLE PIECES EXTENDING THEREFORM TOWARDS THE ASSOCIATED ROTOR.
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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |