Patent US4051265A successfully refreshed from Google Patents.
Patent US3260910A successfully refreshed from Google Patents.
US3260910A
Expired / Lapsed
US
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Dual speed winding arrangement
Assignee: Motors Liquidation Co
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Filing: 1962-07-16
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Granted: 1966-07-12
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Expires: 1982-07-16
Abstract
No abstract record available.
Inventors
- 👤 Charles W Spindler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:09
CPC Classifications
H; H02; H02K; H02K17/00; H02K17/02; H02K17/04; H02K17/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A WINDING ARRANGEMENT FOR USE IN A SLOTTED STATOR MAGNETIC CORE TO PERMIT DUAL SPEED OPERATION WITH A SINGLE SPEED MOTOR, COMPRISING, FIRST AND SECOND WINDING PORTIONS DISSIMILAR AS TO EACH OTHER IN AT LEAST ONE OF RESPECTIVE FEATURES IN A GROUP CHARACTERISTICALLY INCLUDING WIRE SIZE, NUMBER OF TURNS OF WIRE AS WELL AS BOTH WIRE SIZE AND NUMBER OF TURNS OF WIRE AS FITTED INTO DIFFERING SLOTS AND HAVING A JUNCTURE AS TO EACH OTHER AT ONE END THEREOF, A CAPACITOR MEANS CONNECTED ACROSS REMAINING OPPOSITE ENDS OF SAID WINDINGS PORTIONS, AND A SWITCHING MEANS HAVING CONTACTS CONNECTED FROM POWER SUPPLY TO SAID JUNCTURE OF SAID FIRST AND SECOND WINDING PORTIONS AS WELL AS ALTERNATELY TO OPPOSITELY ENDS OF SAID CAPACITOR MEANS FOR USE THEREOF AT ALL TIMES DURING OPERATION AT DIFFERING SPEEDS.
Claim 2
Dependent Claim
134 words
A WINDING ARRANGEMENT FOR USE IN A SLOTTED STATOR MAGNETIC CORE TO PERMIT DUAL SPEED OPERATION WITH A SINGLE SPEED MOTOR, COMPRISING, FIRST AND SECOND WINDING PORTIONS DISSIMILAR AS TO EACH OTHER IN AT LEAST ONE OF RESPECTIVE FEATURES IN A GROUP CHARACTERISTICALLY INCLUDING WIRE SIZE, NUMBER OF TURNS OF WIRE AS WELL AS BOTH WIRE SIZE AND NUMBER OF TURNS OF WIRE AS FITTED INTO DIFFERING SLOTS AND HAVING A JUNCTURE AS TO EACH OTHER AT ONE END THEREOF, A CAPACITOR MEANS CONNECTED ACROSS REMAINING OPPOSITE ENDS OF SAID WINDINGS PORTIONS, AND A SWITCHING MEANS HAVING CONTACTS CONNECTED FROM POWER SUPPLY TO SAID JUNCTURE OF SAID FIRST AND SECOND WINDING PORTIONS AS WELL AS ALTERNATELY TO OPPOSITELY ENDS OF SAID CAPACITOR MEANS FOR USE THEREOF AT ALL TIMES DURING OPERATION AT DIFFERING SPEEDS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |