US3076110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamoelectric machine
Assignee: Motors Liquidation Co
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Filing: 1958-05-26
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Granted: 1963-01-29
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Expires: 1978-05-26
Abstract
No abstract record available.
Inventors
- 👤 Robert L Larson
- 👤 William W Ervin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:15
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/04; H02K3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A ROTOR FOR A DYNAMOELECTRIC MACHINE COMPRISING, A SHAFT, A CORE CARRIED BY SAID SHAFT FORMED OF A PLURALITY OF STEEL LAMINATIONS, SAID CORE HAVING A PAIR OF OPPOSITELY DISPOSED PARALLEL SLOTS EACH DEFINED BY PLANAR SIDEWALLS AND A PLANAR BOTTOM WALL AND HAVING END FACES LOCATED NORMAL TO THE WALLS DEFINING SAID SLOTS, A RECTANGULAR COIL WINDING CARRIED BY SAID, CORE HAVING PORTIONS FITTING WITHIN SAID SLOTS AND PORTIONS OVERLYING THE END FACES OF SAID CORE, SAID COIL WINDING BEING FORMED OF INTERLEAVED LAYERS OF METAL FOIL AND INSULATING MATERIAL WITH THE EDGES OF THE FOIL IN THE SLOTS BEING NORMAL TO THE SIDEWALLS DEFINING THE SLOTS, AND A RELATIVELY THIN COATING OF TOUGH PLASTIC MATERIAL BONDED DIRECTLY TO SAID CORE, SAID COATING COVERING AND EXTENDING COEXTENSIVELY WITH THE BOTTOM AND SIDE
Claim 2
Dependent Claim
133 words
A ROTOR FOR A DYNAMOELECTRIC MACHINE COMPRISING, A SHAFT, A CORE CARRIED BY SAID SHAFT FORMED OF A PLURALITY OF STEEL LAMINATIONS, SAID CORE HAVING A PAIR OF OPPOSITELY DISPOSED PARALLEL SLOTS EACH DEFINED BY PLANAR SIDEWALLS AND A PLANAR BOTTOM WALL AND HAVING END FACES LOCATED NORMAL TO THE WALLS DEFINING SAID SLOTS, A RECTANGULAR COIL WINDING CARRIED BY SAID, CORE HAVING PORTIONS FITTING WITHIN SAID SLOTS AND PORTIONS OVERLYING THE END FACES OF SAID CORE, SAID COIL WINDING BEING FORMED OF INTERLEAVED LAYERS OF METAL FOIL AND INSULATING MATERIAL WITH THE EDGES OF THE FOIL IN THE SLOTS BEING NORMAL TO THE SIDEWALLS DEFINING THE SLOTS, AND A RELATIVELY THIN COATING OF TOUGH PLASTIC MATERIAL BONDED DIRECTLY TO SAID CORE, SAID COATING COVERING AND EXTENDING COEXTENSIVELY WITH THE BOTTOM AND SIDE
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) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |