US3071703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic signalling device
Assignee: Individual
•
Filing: 1959-06-01
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Granted: 1963-01-01
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Expires: 1979-06-01
Abstract
No abstract record available.
Inventors
- 👤 Kenneth C Mathcws
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:30
CPC Classifications
H; H02; H02K; H02K24/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A MAGNETIC SIGNALLING DEVICE COMPRISING A STATOR OF MAGNETIC MATERIAL, SAID STATOR HAVING AT ONE EXTREMITY FOUR RADIAL POLE EXTENSIONS EQUALLY SPACED IN ANGLE WITH REFERENCE TO EACH OTHER AND AT THE OTHER EXTREMITY A RADIAL FLANGE, SAID RADIAL POLE EXTENSIONS AND SAID FLANGE BEING CONNECTED BY AN AXIAL TUBE, A PRIMARY ENERGIZING WINDING ENCIRCLING SAID AXIAL TUBE, A SECONDARY WINDING ENCIRCLING EACH SAID RADIAL POLE EXTENSION, SAID SECONDARY WINDINGS CONNECTED TO PROVIDE RESOLVER OPERATION, A ROTOR CONSISTING OF A CYLINDER OF MAGNETIC MATERIAL CONCENTRIC WITH SAID STATOR, SAID CYLINDER TERMINATING AT ONE AXIAL EXTREMITY IN A PLANAR CUT INCLINED AT AN ANGLE WITH RESPECT TO THE SAID CYLINDER AXIS AND DISPOSED TO COOPERATE MAGNETICALLY WITH SAID RADIAL POLE EXTENSIONS, A SHAFT AFFIXED TO SAID ROTOR FOR ANGULAR POSITIONING OF SAID ROTOR AND MEANS FOR JOURNALING SAID SHAFT ON SAID STATOR.
Claim 2
Dependent Claim
141 words
A MAGNETIC SIGNALLING DEVICE COMPRISING A STATOR OF MAGNETIC MATERIAL, SAID STATOR HAVING AT ONE EXTREMITY FOUR RADIAL POLE EXTENSIONS EQUALLY SPACED IN ANGLE WITH REFERENCE TO EACH OTHER AND AT THE OTHER EXTREMITY A RADIAL FLANGE, SAID RADIAL POLE EXTENSIONS AND SAID FLANGE BEING CONNECTED BY AN AXIAL TUBE, A PRIMARY ENERGIZING WINDING ENCIRCLING SAID AXIAL TUBE, A SECONDARY WINDING ENCIRCLING EACH SAID RADIAL POLE EXTENSION, SAID SECONDARY WINDINGS CONNECTED TO PROVIDE RESOLVER OPERATION, A ROTOR CONSISTING OF A CYLINDER OF MAGNETIC MATERIAL CONCENTRIC WITH SAID STATOR, SAID CYLINDER TERMINATING AT ONE AXIAL EXTREMITY IN A PLANAR CUT INCLINED AT AN ANGLE WITH RESPECT TO THE SAID CYLINDER AXIS AND DISPOSED TO COOPERATE MAGNETICALLY WITH SAID RADIAL POLE EXTENSIONS, A SHAFT AFFIXED TO SAID ROTOR FOR ANGULAR POSITIONING OF SAID ROTOR AND MEANS FOR JOURNALING SAID SHAFT ON SAID STATOR.
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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |