US3705996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slip ring assembly
Assignee: TE Connectivity Corp
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Filing: 1971-01-08
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Granted: 1972-12-12
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Expires: 1991-01-08
Abstract
Abstract A CARRIAGE HAVING A PAIR OF DRIVEN WHEELS, EACH WHEEL OF THE PAIR BEING DRIVEN BY A SEPARATE ELECTRIC MOTOR TO PERMIT DIFFERENTIAL STEERING OF THE CARRIAGE. A SLIP RING ASSEMBLY IS PROVIDED ON THE CRRIAGE AND FORMS A PART OF A FEED PATH FOR SUPPLYING POWER TO THE ELECTRIC MOTORS. THE CARRIAGE CAN BE ARRANGED IMMEDIATELY BELOW A BOARD ON WHICH A TOY VEHICLE STANDS AND CAN BE INDIRECTLY COUPLED TO THE TOY VEHICLE BY A PERMANENT MAGNET.
Inventors
- 👤 Kamal Ahmed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:03
CPC Classifications
H; H02; H02K; H02K13/00; H02K13/02; H01; H01R; H01R39/00; H02K13/003; H02K5/00; H02K5/04; H02K5/14; H02K5/141
Claims Analysis
Total Claims: 0
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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) | 1975-12-12 | 1976-06-12 | 1976-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-12 | 1980-06-12 | 1980-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-12 | 1984-06-12 | 1984-12-12 | $7700.00 | Window Closed / Lapsed |