US3268751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
A.-c. motor drive for timing devices and the like
Assignee: GENERAL TIME CONTROLS Inc 135 SOUTH MAIN ST THOMASTON CT 06787 A CORP OF DE
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Filing: 1965-08-03
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Granted: 1966-08-23
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Expires: 1985-08-03
Abstract
No abstract record available.
Inventors
- 👤 Alfred M Nebiolo
- 👤 Robert S Lundin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:21
CPC Classifications
G; G04; G04C; G04C15/00; H; H02; H02K; H02K7/00; H02K7/10; H02K7/118; H02K7/1185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
AN IMPROVED SELF-STARTING SYNCHRONOUS A.-C. MOTOR HAVING A ROTOR AXIS COMPRISING, IN COMBINATION, A MOTOR FRAME HAVING PARALLEL SIDE PLATES OF MAGNETIC MATERIAL, EACH OF SAID SIDE PLATES HAVING STATOR POLES STRUCK OUT OF THE PLATE AND BENT INWARDLY AT 90* WITH THE STATOR POLES ON ONE PLATE BEING INTERSPERSED BETWEEN THE STATOR POLES ON THE OTHE RPLATE AND WITH ALL OF THE STATOR POLES BEING EQUALLY SPACED FROM ONE ANOTHER AND SAID STATOR POLES BEING AT A FIXED RADIAL DISTANCE FROM SAID ROTOR AXIS TO FORM A CYLINDRICAL LOCUS, AN ANNULAR WINDING BETWEEN SAID PLATES AND SURROUNDING THE STATOR POLES SO THAT ADJACENT STATOR POLES ARE OF OPPOSITE ALTERNATING POLARITY, AND A ROTOR CENTERED WITHIN THE STATOR POLES, SAID ROTOR
Claim 2
Dependent Claim
121 words
AN IMPROVED SELF-STARTING SYNCHRONOUS A.-C. MOTOR HAVING A ROTOR AXIS COMPRISING, IN COMBINATION, A MOTOR FRAME HAVING PARALLEL SIDE PLATES OF MAGNETIC MATERIAL, EACH OF SAID SIDE PLATES HAVING STATOR POLES STRUCK OUT OF THE PLATE AND BENT INWARDLY AT 90* WITH THE STATOR POLES ON ONE PLATE BEING INTERSPERSED BETWEEN THE STATOR POLES ON THE OTHE RPLATE AND WITH ALL OF THE STATOR POLES BEING EQUALLY SPACED FROM ONE ANOTHER AND SAID STATOR POLES BEING AT A FIXED RADIAL DISTANCE FROM SAID ROTOR AXIS TO FORM A CYLINDRICAL LOCUS, AN ANNULAR WINDING BETWEEN SAID PLATES AND SURROUNDING THE STATOR POLES SO THAT ADJACENT STATOR POLES ARE OF OPPOSITE ALTERNATING POLARITY, AND A ROTOR CENTERED WITHIN THE STATOR POLES, SAID ROTOR
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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |