Patent US3260871A successfully refreshed from Google Patents.
US3260871A
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Assignee: Patent Button Co
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Filing: 1964-02-12
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Granted: 1966-07-12
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Expires: 1984-02-12
Abstract
No abstract record available.
Inventors
- 👤 Elliot R Lang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:57
CPC Classifications
H; H02; H02K; H02K37/00; H02K37/10; H02K37/12; H02K37/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
IN AN ELECTROMAGNETIC INDICATOR OF THE TYPE UTILIZING A STATOR HAVING AN ANNULAR FERROMAGNETIC CORE FOR ESTABLISHING ANY ONE OF A PLURALITY OF DISCRETELY ORIENTED MAGNETIC FIELDS, THE CORE HAVING A PLURALITY OF RADIAL POLES PROTRUDING INWARDLY EQUAL DISTANCES, THE STATOR INCLUDING A PLURALITY OF WINDINGS, EACH WINDING BEING MOUNTED UPON A DIFFERENT RADIAL POLE AND BEING ARRANGED TO BE SEPARATELY ENERGIZED BY AN ELECTRICAL SIGNAL, AND A ROTOR HAVING A MAGNET MOUNTED TO ROTATE WITHIN THE ENCLOSURE OF THE ANNULAR CORE ABOUT A PIVOTAL AXIS AT THE CORE''S GEOMETRIC CENTER, THE MAGNET HAVING
Claim 2
Dependent Claim
94 words
IN AN ELECTROMAGNETIC INDICATOR OF THE TYPE UTILIZING A STATOR HAVING AN ANNULAR FERROMAGNETIC CORE FOR ESTABLISHING ANY ONE OF A PLURALITY OF DISCRETELY ORIENTED MAGNETIC FIELDS, THE CORE HAVING A PLURALITY OF RADIAL POLES PROTRUDING INWARDLY EQUAL DISTANCES, THE STATOR INCLUDING A PLURALITY OF WINDINGS, EACH WINDING BEING MOUNTED UPON A DIFFERENT RADIAL POLE AND BEING ARRANGED TO BE SEPARATELY ENERGIZED BY AN ELECTRICAL SIGNAL, AND A ROTOR HAVING A MAGNET MOUNTED TO ROTATE WITHIN THE ENCLOSURE OF THE ANNULAR CORE ABOUT A PIVOTAL AXIS AT THE CORE''S GEOMETRIC CENTER, THE MAGNET HAVING
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) | 1969-07-11 | 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 |