Patent US3270231A successfully refreshed from Google Patents.
US3270231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamoelectric machine means
Assignee: Motors Liquidation Co
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Filing: 1965-09-01
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Granted: 1966-08-30
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Expires: 1985-09-01
Abstract
No abstract record available.
Inventors
- 👤 John B Wiley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:23
CPC Classifications
H; H02; H02K; H02K1/00; H02K1/06; H02K1/12; H02K1/16; H02K2201/00; H02K2201/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A STATOR ASSEMBLY FOR A DYNAMOELECTRIC MACHINE ON WHICH A THICK AND HEAVY FRAME IS ELIMINATED, COMPRISING A THIN METAL ANNULAR HOUSING PORTION HAVING ENDS SECURED THERETO FOR JOURNALING A ROTOR CENTRALLY THEREOF, A SPIRAL RADIALLY INNER SLOTTED STATOR PORTION HAVING WINDING MEANS CARRIED THEREBY AND LOCATED RADIALLY INTERMEDIATE THE ROTOR AND SAID THIN METAL ANNULAR HOUSING PORTION, AND AN ANNULAR YOKE PORTION COMPLEMENTARY MAGNETICALLY TO SAID SPIRAL STATOR PORTION, SAID YOKE PORTION BEING ENTIRELY OUTSIDE AND SPACED FROM SAID SPIRAL STATOR PORTION THROUGH RADIALLY IN ALIGNMENT THEREWITH.
Claim 2
Dependent Claim
88 words
A STATOR ASSEMBLY FOR A DYNAMOELECTRIC MACHINE ON WHICH A THICK AND HEAVY FRAME IS ELIMINATED, COMPRISING A THIN METAL ANNULAR HOUSING PORTION HAVING ENDS SECURED THERETO FOR JOURNALING A ROTOR CENTRALLY THEREOF, A SPIRAL RADIALLY INNER SLOTTED STATOR PORTION HAVING WINDING MEANS CARRIED THEREBY AND LOCATED RADIALLY INTERMEDIATE THE ROTOR AND SAID THIN METAL ANNULAR HOUSING PORTION, AND AN ANNULAR YOKE PORTION COMPLEMENTARY MAGNETICALLY TO SAID SPIRAL STATOR PORTION, SAID YOKE PORTION BEING ENTIRELY OUTSIDE AND SPACED FROM SAID SPIRAL STATOR PORTION THROUGH RADIALLY IN ALIGNMENT THEREWITH.
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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |