US3140413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inductor alternator
Assignee: RE Phelon Co Inc
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Filing: 1961-02-10
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Granted: 1964-07-07
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Expires: 1981-02-10
Abstract
No abstract record available.
Inventors
- 👤 Stanley M Terry
- 👤 Bob O Burson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:49
CPC Classifications
H; H02; H02K; H02K19/00; H02K19/16; H02K19/18; H02K19/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
145 words
IN AN INDUCTOR ALTERNATOR, THE COMBINATION OF: AN ANNULAR STATOR OF MAGNETIC MATERIAL HAVING ON ITS RADIALLY OUTER PORTION A PLURALITY OF POLES DEFINING AN ANNULAR SERIES OF CIRCUMFERENTIALLY SPACED END FACES, A ROTOR OF MAGNETIC MATERIAL ARRANGED CONCENTRICALLY WITH SAID STATOR AND INCLUDING A RADIALLY EXTENDING WEB AND A CIRCUMFERENTIALLY CONTINUOUS RIM EXTENDING AXIALLY IN ONE DIRECTION FROM SAID WEB AND WHICH RIM CIRCUMFERENTIALLY ENCLOSES SAID STATOR, A PLURALITY OF POLES ON THE RADIALLY INNER PORTION OF SAID RIM DEFINING ANOTHER ANNULAR SERIES OF CIRCUMFERENTIALLY SPACED END FACES WHICH ARE SEPARATED FROM SAID STATOR POLE END FACES BY THIN AIR GAPS AND WHICH PASS CIRCUMFERENTIALLY OVE AND INTO AND OUT OF ALIGNMENT WITH SAID LATTER ENDS FACES AS SAID ROTOR IS ROTATED RELATIVE TO SAID STATOR, AN ANNULAR FIELD COIL ARRANGED CONCENTRICALLY WITH SAID STATOR AND LOCATED BETWEEN SAID STATOR AND SAID ROTOR WEB,
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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |