US3117244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alternating current motors
Assignee: Individual
•
Filing: 1960-03-25
•
Granted: 1964-01-07
•
Expires: 1980-03-25
Abstract
No abstract record available.
Inventors
- 👤 Rosain Claude
- 👤 Stcherbatcheff Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:20
CPC Classifications
H; H02; H02K; H02K41/00; H02K41/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
135 words
AN ELECTRIC MOTOR COMPRISING: A SUPPORT MEMBER; A STATOR; A SUSPENSION ARRANGEMENT CONNECTING SAID STATOR TO SAID SUPPORT MEMBER; A ROTOR IN ROLLING ENGAGEMENT WITH SAID STATOR; AN OUTPUT SHAFT; MEANS FOR CREATING A ROTARY MAGNETIC FIELD IN SAID ROTOR; AND A SUSPENSION ARRANGEMENT CONNECTING SAID ROTOR TO SAID SHAFT, SAID SUSPENSION ARRANGEMENT COMPRISING TWO PAIRS OF ELONGATED SPRING MEANS WHICH ARE RIGID IN SO FAR AS COMPRESSION AND PULLING STRAINS ARE CONCERNED AND RESILIENT IN SO FAR AS FLEXING STRAINS ARE CONCERNED, SAID SPRING MEANS RESPECTIVELY HAVING FIRST AND SECOND ENDS; SAID FIRST ENDS OF ONE PAIR OF SPRING MEANS BEING ASSOCIATED WITH SAID OUTPUT SHAFT AND SAID FIRST ENDS OF THE OTHER PAIR BEING ASSOCIATED WITH SAID ROTOR; MEANS FOR INTERCONNECTING SAID SECOND ENDS OF THE SPRINGS OF EACH PAIR FORMING LEVERS THEREWITH.
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) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |