Patent US3387157A successfully refreshed from Google Patents.
US3387157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric motor housing in clutchbrake driving device
Assignee: Singer Co
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Filing: 1965-05-10
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Granted: 1968-06-04
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Expires: 1985-05-10
Abstract
No abstract record available.
Inventors
- 👤 Albert N Cook
- 👤 James F Turley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:45
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/10; H02K7/112; D; D05; D05B; D05B69/00; D05B69/10; D05B69/12; D05B69/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
INTEGRAL HOUSING STRUCTURE FOR A CLUTCH-BRAKE DRIVING DEVICE HAVING AN ELECTRIC DRIVING MOTOR, COMPRISING A FRAME HAVING A CYLINDRICAL OUTER WALL PORTION, AN INNER CUP-SHAPED PORTION RADIALLY SPACED FROM AND COAXIAL WITH SAID OUTER PORTION, CIRCUMFERENTIALLY-SPACED RIBS INTEGRAL WITH AND JOINING BOTH PORTIONS, ALTERNATE ONES OF SAID RIBS EXTENDING TO DIFFERENT DISTANCES AXIALLY BEYOND THE OPEN END OF SAID CUP PORTION TO DEFINE A STRUCTURE FOR SEATING ELECTRIC MOTOR STATOR CORES OF SUBSTANTIALLY DIFFERENT STACK LENGTHS.
Claim 2
Dependent Claim
76 words
INTEGRAL HOUSING STRUCTURE FOR A CLUTCH-BRAKE DRIVING DEVICE HAVING AN ELECTRIC DRIVING MOTOR, COMPRISING A FRAME HAVING A CYLINDRICAL OUTER WALL PORTION, AN INNER CUP-SHAPED PORTION RADIALLY SPACED FROM AND COAXIAL WITH SAID OUTER PORTION, CIRCUMFERENTIALLY-SPACED RIBS INTEGRAL WITH AND JOINING BOTH PORTIONS, ALTERNATE ONES OF SAID RIBS EXTENDING TO DIFFERENT DISTANCES AXIALLY BEYOND THE OPEN END OF SAID CUP PORTION TO DEFINE A STRUCTURE FOR SEATING ELECTRIC MOTOR STATOR CORES OF SUBSTANTIALLY DIFFERENT STACK LENGTHS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |