US3207935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric motors
Assignee: Individual
•
Filing: 1961-02-15
•
Granted: 1965-09-21
•
Expires: 1981-02-15
Abstract
No abstract record available.
Inventors
- 👤 Joseph G Mosovsky
- 👤 Charles N Mosovsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:30
CPC Classifications
H; H02; H02K; H02K17/00; H02K17/02; H02K17/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
ELECTRIC MOTOT COMPRISING: A ROTOR MEMBER; A STATOR MEMBER INCLUDING A CORE SAID STATOR MEMBER INCLUDING TWO INTERPOLE PIECES AND TWO INWARDLY PROJECTING MAIN FIELD POLES, EACH OF SAID MAIN FIELD POLES INCLUDING AN INCLINED PLANE FACE WHEREIN THE ANGLE OF INCLINE OF SAID INCLINED PLANE FACE PROVIDES FOR DIRECTION OF MAGNETIC FLUX IN A SHARPLY DEFINED LINE ALONG THE AXIAL LENGTH OF SAID ROTOR, SAID INCLINED PLANE FACE HAVING A POINT THEREOF IN CLOSE PROXIMITY TO THE PERIPHERY OF SAID ROTOR AND WHEREIN SAID POINT DEFINES A HIGH POINT OF SAID MAIN FIELD POLES; AN EXCITING COIL PLACED AROUND EACH OF SAID MAIN FIELD POLES; WHEREBY THE SHAPE AND DISTRIBUTION OF MAGNETIC FLUX TO A DESIRED PORTION OF SAID ROTOR AND THE ACTION OF THE FLUX ON THE PERIPHERY OF SAID ROTOR IN A SPECIFIC DIRECTION IMPARTS A STARTING TORQUE ON SAID ROTOR.
Claim 2
Dependent Claim
144 words
ELECTRIC MOTOT COMPRISING: A ROTOR MEMBER; A STATOR MEMBER INCLUDING A CORE SAID STATOR MEMBER INCLUDING TWO INTERPOLE PIECES AND TWO INWARDLY PROJECTING MAIN FIELD POLES, EACH OF SAID MAIN FIELD POLES INCLUDING AN INCLINED PLANE FACE WHEREIN THE ANGLE OF INCLINE OF SAID INCLINED PLANE FACE PROVIDES FOR DIRECTION OF MAGNETIC FLUX IN A SHARPLY DEFINED LINE ALONG THE AXIAL LENGTH OF SAID ROTOR, SAID INCLINED PLANE FACE HAVING A POINT THEREOF IN CLOSE PROXIMITY TO THE PERIPHERY OF SAID ROTOR AND WHEREIN SAID POINT DEFINES A HIGH POINT OF SAID MAIN FIELD POLES; AN EXCITING COIL PLACED AROUND EACH OF SAID MAIN FIELD POLES; WHEREBY THE SHAPE AND DISTRIBUTION OF MAGNETIC FLUX TO A DESIRED PORTION OF SAID ROTOR AND THE ACTION OF THE FLUX ON THE PERIPHERY OF SAID ROTOR IN A SPECIFIC DIRECTION IMPARTS A STARTING TORQUE ON SAID ROTOR.
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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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |